Crystallization TV

Finn builds a Never-Ending Pie-Throwing Robot (N.E.P.T.R., voiced by Andy Milonakis) to pull a prank on Jake, but the machine's conscience is conflicted by the will of the Ice King when he is attacked by a lightning bolt that contained the Ice King's private particles. Eventually, N.E.P.T.R. choose to side with Finn.
S01E001
Slumber Party Panic

Finn (voiced by Jeremy Shada) and Princess Bubblegum (voiced by Hynden Walch) must protect the Candy Kingdom from a horde ...

S01E002
Trouble in Lumpy Space

Finn must travel to Lumpy Space to find a cure for Jake (John DiMaggio), who contracted "The Lumps" from Lumpy ...

S01E003
Prisoners of Love

Having discovered that the Ice King (voiced by Tom Kenny) has captured a number of princesses he sees as potential ...

S01E004
Tree Trunks

Tree Trunks (voiced by Polly Lou Livingston) joins Finn and Jake who go on a quest to fulfill her desire ...

S01E005
The Enchiridion!

Finn and Jake go on a quest for the titular magical book that would prove them worthy of being righteous ...

S01E006
The Jiggler

A strange creature attracted by Finn's auto-tuned singing voice follows the duo to their home and they keep him as ...

S01E007
Ricardio the Heart Guy

Finn believes that Princess Bubblegum's new friend, a literal heart named Ricardio (voiced by George Takei), is evil, and is ...

S01E008
Business Time

Finn and Jake fall victim to their own laziness when they delegate their adventuring responsibilities to a group of businessmen ...

S01E009
My Two Favorite People

Jake feels overwhelmed at not having enough time for Finn and his girlfriend, Lady Rainicorn (voiced by Niki Yang), so ...

S01E010
Memories of Boom Boom Mountain

Finn, motivated by an upsetting experience when he was a baby, tries to reconfirm his desire for helping people out ...

S01E011
Wizard

Finn and Jake are coaxed by a skeleton man to enroll in a course for free magic powers. After becoming ...

S01E012
Evicted!

Finn and Jake search the land of Ooo for a new home after a vampire queen named Marceline (voiced by ...

S01E013
City of Thieves

When confronted by a Tree Witch over how uncorruptible he is, Finn enters the City of Thieves with Jake to ...

S01E014
The Witch's Garden

Jake loses his enthusiasm for adventure when a witch strips him of his powers. After Finn is captured by a ...

S01E015
What Is Life?

Finn builds a Never-Ending Pie-Throwing Robot (N.E.P.T.R., voiced by Andy Milonakis) to pull a prank on Jake, but the machine's ...

S01E016
Ocean of Fear

While Finn and Jake are playing by the sea, Finn realizes he is terrified of the ocean. The spectral Fear ...

S01E017
When Wedding Bells Thaw

The Ice King suppresses his kidnapping urges to wed a suspicious bride (voiced by Kerri Kenney-Silver) and convinces Finn and ...

S01E018
Dungeon

Finn's headstrong decision to explore a dungeon "in 11 minutes" in order to find the Crystal Eye causes a rift ...

S01E019
The Duke

Finn turns Princess Bubblegum green and bald, and faces a moral quandary—whether to confess his mistake and be hated by ...

S01E020
Freak City

After being transformed into a foot by Magic Man (voiced by Kenny), Finn goes to live with a band of ...

S01E021
Donny

Finn and Jake help a grass ogre named Donny (voiced by Kevin Michael Richardson) turn his life around, without realizing ...

S01E022
Henchman

Finn takes his place as Marceline's new henchman. Marceline decides to prank Finn by telling him to do task that ...

S01E023
Rainy Day Daydream

Stuck indoors due to a raining knife storm, Finn discovers that Jake can make his imagination come to life, which ...

S01E024
What Have You Done?

Without giving good details Princess Bubblegum tells Finn and Jake to capture the Ice King as their prisoner, but when ...

S01E025
His Hero

The great warrior Billy (voiced by Lou Ferrigno) inspires Finn and Jake to practice nonviolence, but the duo finds it ...

S01E026
Gut Grinder

Finn and Jake pursue a havoc-wreaking "Gut Grinder"—a creature that steals and eats others' gold. Jake begins to suspect he ...

S02E027
It Came from the Nightosphere

After Marceline (voiced by Olivia Olson) sings a song about the relationship between her and her estranged father, Finn (voiced ...

S02E028
The Eyes

VM84:2 Finn and Jake are kept awake by an unsettling horse that does nothing but stare at them with its ...

S02E029
Loyalty to the King

VM84:2 The Ice King shaves his beard after a princess "breaks up" with him, but when his new look proves ...

S02E030
Blood Under the Skin

VM84:2 After receiving a splinter on his finger and is harassed by Sir Slicer (Peter Stormare), Finn seeks the Magical ...

S02E031
Storytelling

VM84:2 While sick and stuck in bed, Jake wants Finn to tell him a story to make him feel better. ...

S02E032
Slow Love

VM84:2 Finn and Jake try to woo a group of lady snails in order to save their house from a ...

S02E033
Power Animal

VM84:2 Jake must stay focused in order to rescue Finn, who has been kidnapped by an evil gnome (voiced by ...

S02E034
Crystals Have Power

VM84:2 Finn and Jake visit a crystal dimension where giant crystal creatures begin to turn Finn into a crystal being. ...

S02E035
The Other Tarts

VM84:2 Finn and Jake volunteer to help Princess Bubblegum (voiced by Hynden Walch) with a dangerous assignment: toting rare and ...

S02E036
To Cut a Woman's Hair

VM84:2 Finn must get a lock of hair from a princess to save Jake from the balding Tree Witch (voiced ...

S02E037
The Chamber of Frozen Blades

VM84:2 Finn and Jake—obsessed with the notion of ninjas—await for the Ice King and Gunter to return to the kingdom, ...

S02E038
Her Parents

VM84:2 Jake's relationship with Lady Rainicorn is in danger when he promises to meet with her parents (voiced by Henry ...

S02E039
The Pods

VM84:2 Finn and Jake are assigned to watch three magical beans; two of the beans are innocent, but one of ...

S02E040
The Silent King

VM84:2 Finn becomes the king of a goblin clan in order to prevent a conflict of violence, but their strange ...

S02E041
The Real You

VM84:2 Finn agrees to speak at Princess Bubblegum's science barbecue, and, worrying that he is not smart enough, secures the ...

S02E042
Guardians of Sunshine

VM84:2 Finn and Jake get sucked into one of BMO's games and they have to defeat all three of his ...

S02E043
Death in Bloom

VM84:2 After killing Princess Bubblegum's plant when they were instructed to take care of it, Finn and Jake make a ...

S02E044
Susan Strong

VM84:2 Finn is excited to discover what appears to be a tribe of humans living underground near the Candy Kingdom, ...

S02E045
Mystery Train

VM84:2 Wanting to surprise Finn on his 13th birthday, Jake takes Finn on a train, where they get entangled in ...

S02E046
Go with Me

VM84:2 Marceline and Jake give Finn advice so he can ask Princess Bubblegum to see a movie with him. Jake's ...

S02E047
Belly of the Beast

VM84:2 Finn and Jake learn that a group of bears is throwing a party in a giant's belly, giving him ...

S02E048
The Limit

VM84:2 Finn and Jake must journey through a magic wish-granting maze. Jake, in order to make sure he and Finn ...

S02E049
Video Makers

VM84:2 Finn and Jake are on an epic race to make a movie for their "Finn and Jake Movie Club", ...

S02E050
Mortal Folly

VM84:2 The first part of a two-part episode. Finn and Jake must go on a quest to find the Lich ...

S02E051
Mortal Recoil

VM84:2 The second part of a two-part episode. Princess Bubblegum is put into the hospital after accidentally being dropped into ...

S02E052
Heat Signature

VM84:2 Marceline pranks Finn and Jake into thinking that they're vampires, but then her ghost friends start to take things ...

S03E053
Conquest of Cuteness

Finn (voiced by Jeremy Shada) and Jake (voiced by John DiMaggio) meet the "evil" Cute King (voiced by Jackie Buscarino) ...

S03E054
Morituri Te Salutamus

Finn and Jake become trapped in an arena of gladiator ghosts. Finn gives in to bloodlust, and Jake becomes obsessed ...

S03E055
Memory of a Memory

When Marceline (voiced by Olivia Olson) accidentally traps herself in a sleep spell, Finn and Jake venture into her mind ...

S03E056
Hitman

After being grounded by Finn and Jake, the Ice King (voiced by Tom Kenny) hires a hitman to go after ...

S03E057
Too Young

When the Earl of Lemongrab (voiced by Justin Roiland) finds out that Princess Bubblegum (voiced by Isabella Acres as a ...

S03E058
The Monster

On a quest from her parents, Finn and Jake track Lumpy Space Princess (voiced by Pendleton Ward) to a village ...

S03E059
Still

The Ice King paralyzes Finn and Jake with a potion and tries to bond with them. Meanwhile, Finn tries to ...

S03E060
Wizard Battle

The Ice King enters a wizard contest, in which the winning wizard receives a kiss from Princess Bubblegum. When Finn ...

S03E061
Fionna and Cake

The titular Fionna (voiced by Madeleine Martin) and Cake (voiced by Roz Ryan), a human girl and her cat, replace ...

S03E062
Fionna and Cake

Finn (beatboxing), Jake (playing viola), Princess Bubblegum (playing Beemo as an 8-bit instrument) and Marceline (playing bass guitar) form a ...

S03E063
Apple Thief

When Tree Trunks' apples are stolen, Finn and Jake dive into the slums of the Candy Kingdom to find the ...

S03E064
The Creeps

Finn, Jake, Princess Bubblegum, Lumpy Space Princess, Beemo (voiced by Niki Yang), and Cinnamon Bun (voiced by Dee Bradley Baker) ...

S03E065
From Bad to Worse

When Princess Bubblegum's zombie formula from "Slumber Party Panic" re-infects the Candy Kingdom due to Cinnamon Bun's carelessness, Finn, Jake, ...

S03E066
Beautopia

Susan Strong (voiced by Jackie Buscarino) returns and needs help from Finn and Jake to protect her home from "Lub-Glubs", ...

S03E067
No One Can Hear You

After a deer knocks Finn unconscious and breaks his legs, he wakes up six months later to find that the ...

S03E068
Jake vs. Me-Mow

A small cat and assassin named Me-Mow (voiced by Kyla Rae Kowalewski) blackmails Jake with poison into trying to kill ...

S03E069
Thank You

When a Firewolf pup (voiced by Dee Bradley Baker) accidentally gets lost in the mountains and is found by the ...

S03E070
The New Frontier

When Jake has a prophetic "croak dream" that illustrates his death after coming into contact with a mysterious Banana Man ...

S03E071
Holly Jolly Secrets Part 1

Finn and Jake dig up the Ice King's video diaries and attempt to uncover his secrets before the Ice King ...

S03E072
Holly Jolly Secrets Part 2

Finn and Jake dig up the Ice King's video diaries and attempt to uncover his secrets before the Ice King ...

S03E073
Marceline's Closet

Finn and Jake hide from Marceline in her own closet after a game of "cloud hunt" goes awry. The two ...

S03E074
Paper Pete

While Jake reads up on Rainicorn history, Finn meets the Pagelings and their leader Paper Pete (voiced by Peter Browngardt). ...

S03E075
Another Way

Finn is scared by clown nurses who want to heal his foot, so he seeks out the magical tears of ...

S03E076
Ghost Princess

Finn and Jake try their hand at being detectives in order to discover how Ghost Princess (voiced by Maria Bamford) ...

S03E077
Dad's Dungeon

Jake and Finn's deceased dad reveals, via a holographic projector, that he built a dungeon to toughen up Finn. Finn ...

S03E078
Incendium

Trying to help a brokenhearted Finn, Jake seeks the Flame King's (voiced by Keith David) consent for Finn to date ...

S04E079
Hot to the Touch

Finn (voiced by Jeremy Shada) develops a crush on Flame Princess (voiced by Jessica DiCicco) and tries to get to ...

S04E080
Five Short Graybles

A series of short stories—concerning BMO (voiced by Niki Yang), Finn and Jake (voiced by John DiMaggio), Princess Bubblegum (voiced ...

S04E081
Web Weirdos

Finn must help a grumpy spider couple (voiced by Bobcat Goldthwait and Susie Essman) reconcile before he and Jake are ...

S04E082
Dream of Love

Tree Trunks (voiced by Polly Lou Livingston) is courted by Pig (voiced by Ron Lynch), but their over-expressive love begins ...

S04E083
Return to the Nightosphere

Finn and Jake awaken with amnesia in the dreaded Nightosphere, buried under a pile of bananas. They seek out the ...

S04E084
Daddy's Little Monster

After discovering that her father tricked her into turning into an evil demon, Finn and Jake attempt to save Marceline. ...

S04E085
In Your Footsteps

A bear befriends Finn. Jake, however, thinks he is trying to steal Finn's identity. At the end of the episode, ...

S04E086
Hug Wolf

After an encounter with an Alpha Hug Wolf, Finn transforms into a Beta Hug Wolf. It is up to Jake ...

S04E087
Princess Monster Wife

When certain body parts of Ooo's many princesses go missing, Finn and Jake decided to confront the Ice King, who ...

S04E088
Goliad

Princess Bubblegum begins to fear for her mortality, and creates an eternal sphinx named Goliad (voiced by Graham Linehan's daughter) ...

S04E089
Beyond This Earthly Realm

After Finn touches a mysterious lamb statue, he is transported into the "spirit world", inhabited by all sorts of bizarre ...

S04E090
Gotcha!

In order to do research for her tell-all memoir about men, Lumpy Space Princess goes undercover working for Finn and ...

S04E091
Princess Cookie

Finn and Jake are sent in to rescue the hostages from a rogue cookie Baby-Snaps (voiced by Donald Faison). Things ...

S04E092
Card Wars

Finn and Jake play Card Wars, a tabletop game, in which Jake becomes overly competitive. ...

S04E093
Sons of Mars

When the Martian deity Grob Gob Glob Grod (voiced by Tom Gammill, Miguel Ferrer, Melissa Villasenor, and Kenny) comes to ...

S04E094
Burning Low

Finn and Jake become convinced that Princess Bubblegum is jealous now that Finn is hanging out with Flame Princess. In ...

S04E095
BMO Noire

BMO goes on the hunt for Finn's missing sock. ...

S04E096
King Worm

Finn and Jake find themselves trapped in their own subconscious by the King Worm (voiced by Erik Estrada). ...

S04E097
Lady & Peebles

Princess Bubblegum and Lady Rainicorn (voiced by Yang) go searching for Finn and Jake, who have been missing for three ...

S04E098
You Made Me

When Lemongrab (voiced by Justin Roiland) upsets the Candy Kingdom and demands citizens for his isolated castle, Princess Bubblegum sends ...

S04E099
Who Would Win

Finn and Jake try to fight a monster known as "The Farm", but after a feud they end up beating ...

S04E100
Ignition Point

Finn and Jake disguise themselves as flame citizens and sneak into the Fire Kingdom on a quest for Flame Princess. ...

S04E101
The Hard Easy

A group of River Scamps ask Finn and Jake to protect them from the Mega Frog, their predator. ...

S04E102
Reign of Gunters

After stealing a demonic wishing eye, Gunter creates clones of himself which cause chaos when he tries to take over ...

S04E103
I Remember You

Ice King and Marceline create a song, and Marceline tries to get the Ice King to remember who he really ...

S04E104
The Lich

Finn has an ominous dream about the Lich (voiced by Ron Perlman), and sets off with Jake to warn Billy ...

S05E105
Finn the Human

Finn (voiced by Jeremy Shada) and Jake (voiced by John DiMaggio) chase The Lich (voiced by Ron Perlman) through a ...

S05E106
Jake the Dog

While Finn's alternative timeline goes astray, Prismo tells Jake that if he can make the correct wish, everything will go ...

S05E107
Five More Short Graybles

A series of short stories—centered around Finn and Jake, Marceline (voiced by Olivia Olson), Tree Trunks (voiced by Polly Lou ...

S05E108
Up a Tree

Finn and Jake's game of catch goes awry when their frisbee gets stuck in a large tree. Finn decides to ...

S05E109
All the Little People

Finn and Jake find a bag full of miniature versions of their friends given to them by Magic Man (voiced ...

S05E110
Jake the Dad

After Lady Rainicorn (voiced by Yang) gives birth to five puppies, Jake—wanting to be a good father—becomes an overprotective parent. ...

S05E111
Davey

Finn, after realizing that he is being hindered by people constantly thanking him for being a hero, decides to create ...

S05E112
Mystery Dungeon

Ice King, N.E.P.T.R. (voiced by Andy Milonakis), Tree Trunks, Shelby (voiced by Pendleton Ward) and Lemongrab (voiced by Justin Roiland) ...

S05E113
All Your Fault

Princess Bubblegum (voiced by Hynden Walch) sends Finn and Jake on a mission to the Earls of Lemongrab (voiced by ...

S05E114
Little Dude

Finn's hat comes to life after it is touched by a wizard (voiced by Dana Snyder) who can bring inanimate ...

S05E115
Bad Little Boy

In this episode, the princesses are grown bored of hearing Ice King's terrible Fionna and Cake fan fiction stories, so ...

S05E116
Vault of Bones

Flame Princess (voiced by Jessica DiCicco) begins to doubt whether or not she is in fact evil. Finn is insistent ...

S05E117
The Great Bird Man

In the deserted badlands, Finn and Jake get lost but are saved from death by Xergiok (voiced by Johnson), the ...

S05E118
Simon & Marcy

Marceline decides to tell Finn and Jake about her and the Ice King's adventures 996 years ago following the "Mushroom ...

S05E119
A Glitch Is a Glitch

The Ice King decides to create a computer virus that will delete everyone in Ooo except for him and Princess ...

S05E120
Puhoy

Finn begins second-guessing his relationship with Flame Princess, so he builds a giant pillow fort. While navigating it, Finn seemingly ...

S05E121
BMO Lost

BMO is kidnapped by an eagle and then is forced to find a way home. On its way, BMO meets ...

S05E122
Princess Potluck

Ice King does not get an invitation to the princess' potluck, so he tries to ruin the party in a ...

S05E123
James Baxter the Horse

Finn and Jake stumble across a horse named James Baxter (voiced by James Baxter) who has the ability to make ...

S05E124
Shh!

Finn and Jake make a bet to see who can not talk the longest, and the two use signs to ...

S05E125
The Suitor

Peppermint Butler (voiced by Steve Little) thinks that Princess Bubblegum is working too hard in her lab, so he tries ...

S05E126
The Party's Over, Isla de Señorita

After another one of his schemes fails to woo Princess Bubblegum, Ice King decides to give up. He takes a ...

S05E127
One Last Job

Jake Jr. gets involved with a group of troublemakers, and Jake is forced to reunite his old criminal gang—which includes ...

S05E128
Another Five More Short Graybles

A series of short stories—centered around Finn, Jake, and Jake Jr; Cinnamon Bun (voiced by Dee Bradley Baker); the Ice ...

S05E129
Candy Streets

Lumpy Space Princess (voiced by Ward) is robbed, but before she is able to explain the details to Finn and ...

S05E130
Wizards Only, Fools

After Starchy (voiced by Kenny) gets a cold and needs a magic cure, Finn, Jake, and Princess Bubblegum disguise themselves ...

S05E131
Jake Suit

Jake gets upset with the manner in which Finn uses his body as a suit of armor, so he bets ...

S05E132
3Be More

After BMO accidentally deletes a core system driver, Finn and Jake sneak into the MO factory and fix BMO. However, ...

S05E133
Sky Witch

Marceline enlists Princess Bubblegum's help in order to track Maja the Sky Witch; it is revealed that Marceline's ex-boyfriend Ash ...

S05E134
Frost & Fire

Finn has an interesting dream which involves Flame Princess and Ice King fighting each other, but he wakes up before ...

S05E135
Too Old

Finn and Princess Bubblegum travel to the Earldom of Lemongrab for a diplomatic dinner. Finn, in the meantime, tries to ...

S05E136
Earth & Water

Princess Bubblegum tests Flame Princess to understand why her emotions can become volatile. However, Bubblegum leaves Flame Princess in the ...

S05E137
Time Sandwich

Magic Man steals Jake's sandwich and seals himself in a molasses bubble that slows time down. Finn and Jake then ...

S05E138
The Vault

Finn begins having nightmares about the Green Lady, an apparition that he saw during the events of the season three ...

S05E139
Love Games

Slime Princess (voiced by Maria Bamford) is in need of a husband, lest she will lose her kingdom to her ...

S05E140
Dungeon Train

Finn and Jake stumble upon a mysterious train in which each car contains a new villain to fight. Jake soon ...

S05E141
Box Prince

Finn meets the Box Prince—a cat wearing a cardboard box—and learns that the throne of Box Kingdom has been seized ...

S05E142
Red Starved

Finn, Jake, and Marceline get trapped in a cave. After Jake eats all of Marceline's red snacks, she begins to ...

S05E143
We Fixed a Truck

Finn, Jake and BMO decide to fix up a truck with the help of Banana Man (voiced by "Weird Al" ...

S05E144
Play Date

Finn and Jake are tired of Ice King living with them, so they invite Abracadaniel over for a "play date" ...

S05E145
The Pit

Kee-Oth the Blood Demon kidnaps Jake and takes him to his demonic dimension and imprisons him in a pit. Finn ...

S05E146
James

Finn and Jake accompany Princess Bubblegum on her study of the Desert of Wonders. However, they are soon attacked by ...

S05E147
Root Beer Guy

Root Beer Guy (voiced by Jack Pendarvis) witnesses Finn and Jake abduct Princess Bubblegum, but no one believes him. He ...

S05E148
Apple Wedding

Tree Trunks and Mr. Pig (voiced by Ron Lynch) arrange for the King of Ooo (voiced by Andy Daly) to ...

S05E149
Blade of Grass

Finn and Jake decide that it is time for Finn to replace his broken demon blood sword. Finn purchases a ...

S05E150
Rattleballs

Finn meets an old sword-fighting robot named Rattleballs (voiced by Rainn Wilson), and learns that Rattleballs was part of an ...

S05E151
The Red Throne

The Flame King, along with the help of Don John (voiced by Roddy Piper), escapes from his prison and reclaims ...

S05E152
Betty

The Ice King reverts to Simon after being exposed to an anti-magic being named Bella Noche, and gets help from ...

S05E153
Bad Timing

Lumpy Space Princess runs into with a former classmate named Johnnie (voiced by Mark Proksch) and the two begin a ...

S05E154
Lemonhope Part 1

Lemonhope (voiced by Justin Roiland) grows unhappy with Princess Bubblegum's constant reminders of his responsibility to help the lemon people, ...

S05E155
Lemonhope Part 2

Lemonhope (voiced by Justin Roiland) grows unhappy with Princess Bubblegum's constant reminders of his responsibility to help the lemon people, ...

S05E156
Billy's Bucket List

Finn finds the late Billy's (voiced by Lou Ferrigno) bucket list and, to honor his memory, decides to complete it. ...

S06E157
Wake Up

Finn and Jake try to commit a cosmic crime to get into a multiverse prison called the Citadel, in which ...

S06E158
Escape from the Citadel

Hitching a ride on the Lich's crystalized prison, Jake and Finn find the latter's father Martin (voiced by Stephen Root), ...

S06E159
James II

Finn and Jake learn that Clone James (voiced by Andy Merrill) has been faking his death in order to collect ...

S06E160
The Tower

Finn is not happy with his replacement arms made by the princesses, and his emotional anguish manifests itself in the ...

S06E161
Sad Face

With N.E.P.T.R. (voiced by Andy Milonakis) and BMO watching, Jake's tail goes to work at a traveling bug circus once ...

S06E162
Breezy

Warned by Doctor Princess that his flower-arm will die if he does not begin to feel again, Finn decides to ...

S06E163
Food Chain

Finn and Jake visit the Candy Kingdom's Museum of Natural History and learn about the food chain after being turned ...

S06E164
Furniture & Meat

BMO, concerned that Finn and Jake's massive hoard of gold is threatening the structural integrity of their treehouse, talks Finn ...

S06E165
The Prince Who Wanted Everything

Lumpy Space Princess kidnaps and ties up Ice King, forcing him to read her own fan-fiction of Fionna and Cake ...

S06E166
Something Big

Maja the Sky Witch summons Daren, The Ancient Sleeper (voiced by Alan Oppenheimer) and orders him to attack the Candy ...

S06E167
Little Brother

While throwing a party in Jake's Viola, Shelby (voiced by Ward) accidentally cuts his lower half off, which becomes sentient. ...

S06E168
Ocarina

After Finn and Jake arrive to the birthday party of Jake's children 3 hours late, Jake begins to irritate his ...

S06E169
Thanks for the Crabapples, Giuseppe!

Ice King, Abracadaniel (voiced by Steve Little), Little Dude (voiced by Sanchez), the Life-Giving Magus (voiced by Dana Snyder), Ron ...

S06E170
Princess Day

During the annual Princess Day meeting held in Breakfast Kingdom, Lumpy Space Princess clashes with Breakfast Princess over the year's ...

S06E171
Nemesis

During the meeting of Starchy's Veritas Brigade, a man calling himself Peace Master (voiced by Rainn Wilson) appears and claims ...

S06E172
Joshua & Margaret Investigations

During Jake's birthday party, Jake tells Finn and BMO a story about how his parents Joshua (voiced by Kent Osborne) ...

S06E173
Ghost Fly

During a dark and stormy night, Jake kills a fly that eats some of his soup. In retaliation, the vengeful ...

S06E174
Everything's Jake

After meddling courtesy of Magic Man, Jake finds himself transported inside of himself, wherein an entire civilization exists, made entirely ...

S06E175
Is That You?

Following a memorial service for Prismo, Jake begins acting strangely. Finn soon realizes that the real Jake has been transported ...

S06E176
Jake the Brick

Jake attempts to fulfill an aspiration of his: to be a brick inside a shack as it collapses. Finn, being ...

S06E177
Dentist

When Finn's toothache gets too much to take, he has no choice but to visit the ants, led by General ...

S06E178
The Cooler

After a natural disaster hits the Fire Kingdom, Flame Princess (voiced by Jessica DiCicco) is forced to team up with ...

S06E179
The Pajama War

At a slumber party at the Candy Kingdom, Princess Bubblegum and Finn are forced into a closet to play a ...

S06E180
Evergreen

Millions of years before the start of the series, a mutated dinosaur by the name of Gunter (voiced by Pamela ...

S06E181
Astral Plane

While camping with Jake, Finn begins astral projecting, which takes him on a journey across Ooo. After viewing Mr. Fox ...

S06E182
Gold Stars

Tree Trunks and Mr. Pig's child, Sweet P (voiced by Ethan Maher), is bullied at school. The King of Ooo ...

S06E183
The Visitor

After sleepwalking, Finn is led to both a friendly civilization, and to the mysterious location of a downed spaceship. In ...

S06E184
The Mountain

Lemongrab and Finn go on an expedition through the Mountain of Matthew to learn more about themselves. After being presented ...

S06E185
Dark Purple

Susan Strong (voiced by Jackie Buscarino) and her Hyooman associates break into the pre-war Super Porp soda factory in order ...

S06E186
The Diary

Jake's son T.V. (voiced by Dan Mintz) finds an old diary, which revives a decades-old mystery surrounding the writer of ...

S06E187
Walnuts & Rain

When Finn and Jake fall into two different pits, in which they meet two different fates: Finn becomes the guest ...

S06E188
Friends Forever

The Ice King invites over the Life-Giving Magus under the guise of spending time together, when in reality Ice King ...

S06E189
Jermaine

After a bizarre dream, Finn and Jake venture to the home of their brother, Jermaine (voiced by Tom Scharpling). The ...

S06E190
Chips & Ice Cream

After a bizarre curse gets placed on Jake by a bear named Morty Rogers (voiced by Ron Livingston), Jake is ...

S06E191
Graybles 1000+

Cuber (voiced by Emo Philips) uses his graybles to survive after crash landing in a futuristic and bleak version of ...

S06E192
Hoots

After the Cosmic Owl (voiced by M. Emmet Walsh) spies an attractive lady bird (voiced by Kay Lenz) in Finn's ...

S06E193
Water Park Prank

Finn and Jake take a break and go to a post-apocalyptic water park. While at the park, they run into ...

S06E194
You Forgot Your Floaties

Finn and Jake try to rescue Magic Man's new apprentice, Betty (voiced by Lena Dunham), but Magic Man stops them. ...

S06E195
Be Sweet

Lumpy Space Princess takes a job babysitting Sweet P. After neglecting her duties and abandoning Sweet P, Lumpy Space Princess ...

S06E196
Orgalorg

Gunter has strange visions after an accident. It is revealed that Gunter is really Orgalorg, a primordial chaos demon that ...

S06E197
On the Lam

Finn's father, Martin, has been arrested on an alien planet and tries to get away. In the process, he meets ...

S06E198
Hot Diggity Doom

On election day, Princess Bubblegum's is more focused on a comet in the sky. Her inattention to the election leads ...

S06E199
The Comet

Finn and Jake learn that Orgalorg is attempting to absorb the power of the catalyst comet. They give chase and ...

S07E200
Bonnie & Neddy

Finn and Jake explore a forbidden area under the Candy Kingdom for the King of Ooo. They discover a Candy ...

S07E201
Varmints

Marceline visits the Candy Kingdom and is surprised that Bubblegum has been deposed. At Bubblegum's cabin, Bubblegum enlists Marceline's help ...

S07E202
Cherry Cream Soda

Cherry Cream Soda, now married to Starchy, is determined to put her past behind her and buries the remains of ...

S07E203
Mama Said

The King of Ooo orders Finn and Jake to find a flying mushroom that he can ride. During their search, ...

S07E204
Football

BMO talks with Football, his reflection in the mirror, and agrees to switch places for a day. However, Football prefers ...

S07E205
Stakes Part 1: Marceline the Vampire Queen

Marceline asks Princess Bubblegum to cure her vampirism, as she no longer wants to be immortal. Bubblegum performs an experimental ...

S07E206
Stakes Part 2: Everything Stays

While sunlight engulfs her, Marceline experiences flashbacks. She is comforted by her mother's lullaby as a child; witnesses Simon leaving ...

S07E207
Stakes Part 3: Vamps About

The five deadliest vampires resurface: the Vampire King, The Fool, The Empress, the Hierophant and the Moon. Surprised to be ...

S07E208
Stakes Part 4: The Empress Eyes

The Empress arrives at the Ice Kingdom and uses her hypnotism power on the Ice King, who captures Finn for ...

S07E209
Stakes Part 5: May I Come In?

While on the trail of the vampire known as the Moon, the group run into trouble when the shape-shifting Hierophant ...

S07E210
Stakes Part 6: Take Her Back

Princess Bubblegum brings Marceline to the Candy Kingdom to work on a cure for the Hierophant's poison. Meanwhile, Finn and ...

S07E211
Stakes Part 7: Checkmate

The group prepare to confront the Vampire King, who unexpectedly appears and says he no longer wishes to be a ...

S07E212
Stakes Part 8: The Dark Cloud

The Dark Cloud moves towards the Candy Kingdom, pursued by Finn, Jake, and Bubblegum. Seeing Bubblegum fighting the Dark Cloud, ...

S07E213-S07E214
The More You Moe, the Moe You Know

A MO claiming to be Moe visits for BMO's birthday, bringing a special mission for the robot: return to the ...

S07E215
Summer Showers

Jake's daughter, Viola, is up for the lead role in a play directed by Lumpy Space Princess, but is instead ...

S07E216
Angel Face

BMO sets up an elaborate cowboy-themed live-action role-play scenario. Using special "sentient sandwiches" as a bribe, BMO convinces Jake to ...

S07E217
President Porpoise Is Missing!

While playing video games in their treehouse, Finn and Jake learn that President Porpoise is missing. They decide to find ...

S07E218
Blank-Eyed Girl

Finn and Jake are confronted by the urban myth of the Blank-Eyed Girl, creatures who hide in all corners of ...

S07E219
Bad Jubies

A deadly storm hits the grasslands, forcing Finn, Jake, BMO, and Lumpy Space Princess to build a bunker. Jake appears ...

S07E220
King's Ransom

The Ice King enlists Finn and Jake to recover his stolen crown and Gunter the penguin. After several wasted efforts ...

S07E221
Scamps

After foiling a scam perpetrated by a group of at-risk candy kids, Finn takes the youths on a camping trip ...

S07E222
Crossover

Finn and Jake cross over into Farmworld—the alternate dimension that was first created in the episode "Finn the Human"—to stop ...

S07E223
The Hall of Egress

Finn and Jake set out to find a dungeon, but Finn ends up getting trapped within. In the center of ...

S07E224
Flute Spell

Huntress Wizard seeks Finn's flute-playing skills to summon the Spirit of the Forest. Jake suspects that Finn has feelings for ...

S07E225
The Thin Yellow Line

Princess Bubblegum orders Finn and Jake to infiltrate the banana guard and find a rogue guard who has been painting ...

S08E226
Broke His Crown

While visiting the Ice King, Princess Bubblegum and Marceline notice he is acting stranger than usual. Bubblegum takes Ice King ...

S08E227
Don't Look

Finn unearths a treasure at the top of Dead Mountain—magical glasses. But these glasses come at a terrible price, for ...

S08E228
Beyond the Grotto

Finn and Jake are tired of their sea lard, so they decide to throw it in the pond in front ...

S08E229
Lady Rainicorn of the Crystal Dimension

Jake's son TV (voiced by Dan Mintz) finds a hidden box containing a crystal sandwich. After eating it, TV draws ...

S08E230
I Am a Sword

After Finn accidentally loses his Finn sword, it is stolen by Bandit Princess (voiced by Amy Sedaris) and used for ...

S08E231
Bun Bun

Princess Bubblegum creates a small pastry named Bun Bun (voiced by Ashly Burch) to be Cinnamon Bun's squire. However, because ...

S08E232
Normal Man

Normal Man (voiced by Tom Kenny) asks for Finn and Jake's help to save his brother, Glob (voiced by Kenny) ...

S08E233
Elemental

Ice King digs up an ice sphere buried underneath the Ice Kingdom. Inside is Patience St. Pim (voiced by Lauren ...

S08E234
Five Short Tables

Ice King narrates several vignettes detailing Fionna (voiced by Madeleine Martin) and Cake's (voiced by Roz Ryan) adventures as they ...

S08E235
The Music Hole

Finn, still despondent over the loss of his Finn Sword, is selected to be the judge of a battle of ...

S08E236
Daddy-Daughter Card Wars

Jake attempts to get his daughter Charlie (voiced by Alia Shawkat)—an expert tarot card reader—to team up with him to ...

S08E237
Preboot

During an excavation of human artifacts, Finn, Jake and Susan Strong (voiced by Jackie Buscarino) are greeted by a mysterious ...

S08E238
Reboot

After Finn accidentally causes Susan to be shocked, her cybernetic implant activates, She turns into a mindless drone and attempts ...

S08E239
Two Swords

After Finn gets fitted with a new robotic arm by Princess Bubblegum, he recounts how the grass creature, dubbed Grass ...

S08E240
Do No Harm

Finn heads to the Candy Kingdom hospital to check on Susan and ends up filling in for Doctor Princess. While ...

S08E241
Wheels

Kim Kil Whan asks Jake to find out why his daughter Bronwyn (voice by Rae Gray) is failing in class. ...

S08E242
High Strangeness

It is revealed that Tree Trunks has had alien children with extraterrestrials who visit her every couple of years or ...

S08E243
Horse and Ball

James Baxter's ball is destroyed making him unresponsive and depressed. Jake and BMO rush off to see Raggedy Princess who, ...

S08E244
Jelly Beans Have Power

After having tea with Slime Princess, Princess Bubblegum becomes jealous of her new elemental power. Bubblegum has a dream of ...

S08E245
Islands Part 1: The Invitation

A large robotic craft arrives searching for Susan Strong. However, when it reaches the Bubblegum Kingdom, Jake destroys it with ...

S08E246
Islands Part 2: Whipple the Happy Dragon

Finn, Jake, and Susan encounter a sea dragon named Whipple (voiced by Josh Fadem) who turns out to be rather ...

S08E247
Islands Part 3: Mysterious Island

After an encounter with a colossus, Finn wakes up on an island where the weather drastically fluctuates. He encounters an ...

S08E248
Islands Part 4: Imaginary Resources

Finn and Jake head to a futuristic island where all of society has hooked themselves up to a virtual reality ...

S08E249
Islands Part 5: Hide and Seek

Finn, Jake and BMO find Susan who begins to have glimpses of her past. Susan, whose real name is Kara, ...

S08E250
Islands Part 6: Min & Marty

Kara decides to take Finn to Founders Island so that he can be reunited with his mother, Minerva Campbell (voiced ...

S08E251
Islands Part 7: Helpers

The group make it to Founders Island where humans have been living in relative peace. While Kara is distracted by ...

S08E252
Islands Part 8: The Light Cloud

While Susan makes amends with Frieda, Finn tries to convince Minerva that life off the island isn't bad, but Minerva ...

S09E253
Orb

Returning home from their adventure overseas, Finn, Jake and BMO eat a lot of bananas and take a nap. A ...

S09E254
Elements Part 1: Skyhooks

Finn, Jake and BMO return to Ooo and discover that their home and its surroundings have been turned into candy. ...

S09E255
Elements Part 2: Bespoken For

The Ice King explains what happened to Ooo while Finn and Jake were away. After they left on their adventure, ...

S09E256
Elements Part 3: Winter Light

Finn, Jake and the Ice King travel to the Ice World and break through the large ice dome covering its ...

S09E257
Elements Part 4: Cloudy

To calm Finn, Jake tucks them into a cloud which floats away from the Ice King and Betty. Jake and ...

S09E258
Elements Part 5: Slime Central

Finn and Jake arrive in the transformed Slime Kingdom to retrieve Slime Princess' crown for her jewel. They see Lumpy ...

S09E259
Elements Part 6: Happy Warrior

Finn, Lumpy Space Princess, and Gunter arrive in a radically-altered Fire Kingdom. The inhabitants, which include Wyatt (voiced by Andrew ...

S09E260
Elements Part 7: Hero Heart

Lumpy Space Princess chases Finn and unsuccessfully tries to return him to normal. The Ice King and Betty try to ...

S09E261
Elements Part 8: Skyhooks II

Betty knocks out the Ice King and says that she wants to use the jewels to go back in time ...

S09E262
Abstract

Finn, BMO and Lady Rainicorn are somewhat disturbed by Jake's new, alien appearance, but Jake seems oblivious (or in denial). ...

S09E263
Ketchup

Marceline is unexpectedly visited by BMO, who is asked to download a USB drive. While they wait, BMO tells the ...

S09E264
Fionna and Cake and Fionna

At a Fionna and Cake book reading by the Ice King, an old woman claiming to be Fionna (voiced by ...

S09E265
Whispers

Finn and Fern encounter Sweet P, who was running away from home after having a nightmare, while they are fishing. ...

S09E266
Three Buckets

Fern reveals his ability to change his appearance to look just like Finn. Impressed, Finn joins Fern in a dungeon ...

S10E267
The Wild Hunt

Still feeling guilty about Fern's death, Princess Bubblegum tasks Finn with protecting the banana guard from a monster later called ...

S10E268
Always BMO Closing

BMO and the Ice King become door-to-door salesmen by posing as one body (Ice King as the body, and BMO ...

S10E269
Son of Rap Bear

At a party, Flame Princess accidentally signs a contract with Toronto to forfeit her kingdom to him if she loses ...

S10E270
Bonnibel Bubblegum

When Finn presents the silver cup from "Always BMO Closing", Princess Bubblegum decides to tell him, Marceline and Jake more ...

S10E271
Seventeen

At Finn's seventeenth birthday party (held at the Candy Kingdom), Princess Bubblegum, Marceline, Huntress Wizard and BMO give him gifts. ...

S10E272
Ring of Fire

Tree Trunks gets a call from her old flame, Randy (voiced by David Herman), who wants his old ring back ...

S10E273
Marcy & Hunson

Peppermint Butler gives Finn the Night Blade (a new sword) and summons Hunson Abadeer. Peppermint Butler lets Hunson roam the ...

S10E274
The First Investigation

Kim Kil Whan sends Finn and Jake to Joshua and Margaret's old office after one of his employees is frightened ...

S10E275
Blenanas

Upset at Jake's absence, Finn reads an issue of Ble Magazine and sees a doodle of a caveman being bitten ...

S10E276
Jake the Starchild

Immediately after "The First Investigation", Jake is brought by his dying alien parent Warren Ampersand to his home planet and ...

S10E277
Temple of Mars

Finn is visited by Jermaine, who says that Jake is in space and they must rescue him. They head to ...

S10E278
Gumbaldia

As Princess Bubblegum prepares for war with Gumbald, Finn and Jake visit him to prevent the battle. They meet with ...

S10E280-S10E281-S10E282-S10E283
Come Along with Me

In the distant future, Shermy (voiced by Sean Giambrone) and Beth the Pup Princess (voiced by Willow Smith) run around ...