Der 14-jährige Finn, ein Junge mit einem merkwürdigen Hut, erlebt zusammen mit seinem besten Freund, dem magischen Hund Jake, schräge, teils surreale, aber stets spannende Abenteuer im Lande „Ooo“.
Adventure Time (Pilot)
Princess Bubblegum is imprisoned by the Ice King. Jake and Finn battle their way past the Iceclops, Snow Golem, and other monsters that inhabit the Ice Kingdom to rescue her.
Finn and Jake come across a magic wand, but when the wand becomes uncontrollable, they must team up with the Ice King to stop it.
How an Idea Becomes Adventure Time
From the Complete Third Season
All's Well That Rats Swell
Web Exclusive short aired on the Cartoon Network site. BMO wages war against a rat in the tree house, and Finn and Jake get sick.
Have You Seen the Muffin Mess
Finn and Jake help Princess Bubblegum battle a plague. Web-exclusive short, published on the Cartoon Network site.
Sow, do you like them Apples
The ice king goes searching for food
The Gift, that Reaps Giving
Death creates a mixtape for his girlfriend.
Good Jubies: The Making of Bad Jubies
Frog Seasons: Spring
Frog Seasons: Summer
Frog Seasons: Autumn
Frog Seasons: Winter
Frog Seasons: Spring (Again)
Slumber Party Panic
Finn and Princess Bubblegum must protect the Candy Kingdom from a horde of candy zombies they accidentally created.
Trouble in Lumpy Space
Finn must travel to Lumpy Space to find a cure that will save Jake, who was accidentally bitten by Lumpy Space Princess at a tea party.
Prisoners of Love
When the Ice King kidnaps a number of princesses he sees as potential brides, Finn and Jake team with the prisoners to set everybody free.
Finn and Jake join Tree Trunks in search for the rare Crystal Gem Apple, but question whether Tree Trunks has what it takes to adventure.
Finn and Jake go on a quest for a magical book that would prove them worthy of being righteous heroes.
A jiggly creature attracted by Finn's auto-tuned singing follows Finn and Jake home but soon feels ill effects of separation from its family.
Ricardio the Heart Guy
When a Heart Guy named Ricardio comes to Candy Kingdom, Finn gets really jealous and finds a way to get him out of the Land of Ooo.
When Finn and Jake discover a group of businessmen frozen in an iceberg, the duo thaws them and hires them to help with their adventures.
My Two Favorite People
Jake's plan to spend time with both Lady Rainicorn and Finn backfires.
Memories of Boom Boom Mountain
Finn reflects on an upsetting experience in his past and pledges to help everyone in town, but this proves more difficult than imagined.
Finn and Jake temporarily get magic powers from an evil wizard, but are tricked into helping stop a comet.
Finn and Jake search the land of Ooo for a new home after Marceline claims the duo's treehouse as her own.
City of Thieves
Finn and Jake go off to face a thief king who has been stealing from little girls.
The Witch's Garden
Finn and Jake consider breaking up after a witch strips Jake of his powers.
What is Life?
Finn brings a pie-throwing robot to life, but the machine begins to long for a more fulfilling existence.
Ocean of Fear
Finn struggles to overcome his fear of the ocean.
When Wedding Bells Thaw
The Ice King gets married but not before he convinces Finn and Jake to throw him a manlorette party.
Finn's headstrong decision to explore a dungeon in defiance of Jake's warnings leads to a dangerous escapade.
Finn must tell the truth when he accidentally turns Princess Bubblegum bald and green and blames the Duke of Nuts.
After being transformed into a foot, Finn joins forces with a band of misfits to make things right.
Finn and Jake try to help an obnoxious grass ogre named Donny develop better social skills, only to find out Donny's jerky behavior protects the house people from the why-wolves, which eat the house people.
After seeing Marceline the vampire queen torment an elderly henchman, Finn steps in to be her new henchman, doing whatever he is told to do.
Rainy Day Daydream
Stuck inside the treehouse due to a knife storm, Finn and Jake use their imagination to pass the time.
What Have You Done?
Finn and Jake capture the Ice King as their prisoner, but feel guilty when unable to explain the wrongs he committed.
The great warrior Billy inspires Finn and Jake to practice nonviolence, but the duo finds it difficult to resist old ways.
When the Fluffy People's gold has been devoured by a culprit only known as "The Gut Grinder", Finn and Jake team up to find him with his tracks.
It Came from the Nightosphere
Marceline's evil father goes on a soul-sucking rampage after Finn and Marceline accidentally release him from the Nightosphere.
Finn and Jake try to rid themselves of a weird horse that creeps them out.
Loyalty to the King
Finn and Jake are excited to meet the Nice King who has come to Ooo. They soon realize that he looks suspiciously like someone else they know; the Ice King.
Blood Under the Skin
When Finn gets a splinter on his finger, he wants to get the best armor. In order to receive it, he must go on a quest to get the Magical Armor of Zelderon and survive one embarrassing situation after another.
Jake is sick and demands to hear a good story full of romance, fighting and suspense.
Finn and Jake agree to help a snail named Snorlock find a girlfriend.
Finn is captured by gnomes who want to use his energy to power their infernal machines, and it's up to Jake to stay focused and rescue him.
Crystals Have Power
Jake takes a pledge of nonviolence just before Finn is kidnapped by outlaws from the crystalline dimension.
The Other Tarts
Finn choses to cross the Desert of Doom to deliver the royal tarts to the annual back rubbing ceremony.
To Cut a Woman's Hair
A tree witch demands a lock of princess hair else Jake will be sucked into her bottomless bottom.
The Chamber of Frozen Blades
Whilst the Ice King goes out to take Gunther to the hospital, Finn and Jake decide to sneak inside his lair and flex their ninja skills.
Jake's relationship with Lady Rainicorn is in danger when he promises to meet with her parents, as both species had a long history of war with each other. However, thanks to Jake's shape-shifting powers, they mistake the dog as one of their own, but for how long?
Finn and Jake discover a box containing three beans. Planting them causes three pods to grow. Two of them are good and one is evil, but which is which?
The Silent King
After defeating a evil king of goblins, Finn finds himself crowned as their new king. Unfortunately, he's unable to do anything for them due to the rules of the previous king including defending the goblins from the previous king.
The Real You
Finn has to give a speech at Princess Bubblegum's science barbecue and seeks a quick fix to make himself smarter.
Guardians of Sunshine
Finn and Jake get sucked into one of BMO's games and they have to defeat all three of his bosses.
Death in Bloom
After killing Princess Bubblegum's plant when left to take care of it, Finn and Jake make a trip to the Land of the Dead in order to get its soul back.
Finn is excited to discover what appears to be a tribe of humans living underground near the Candy Kingdom, but gets more than he expected when he tries to teach one of them about the surface world.
Wanting to surprise Finn on his birthday, Jake takes Finn on a train, where they get wrapped up in a murder mystery.
Go With Me
Marceline and Jake give Finn advice so he can ask Princess Bubblegum to see a movie with him.
Belly of the Beast
In order to cure the stomach ache of a giant, Finn and Jake must break up a party happening in his belly.
On a mission to save soldiers of the Hot Dog Princess, Finn and Jake go inside a massive maze where wishes can be granted and where Jake's stretching powers are pushed to their limits.
After discovering government warnings prior to movies for their film club, Finn and Jake decide to make their own, but get into a fight over the direction of their film.
Mortal Folly (1)
Finn and Jake must go on a quest to find the Lich King (originally sealed away by Billy), while the Ice King pesters them for permission to date Princess Bubblegum.
Mortal Recoil (2)
The Princess isn't feeling well and Jake starts to worry something might be wrong with her.. The Ice King is anxious to help, but does Finn trust him?
Marceline plays a prank on Finn and Jake by making them believe they're vampires, but it nearly goes too far when they're manipulated by her ghost friends.
Conquest of Cuteness
Finn and Jake must defend their home from the Cuties, a tiny race who believe themselves to be evil, destructive invaders.
Morituri te Salutamus
The duo choose to partake in gladiatorial combat against the Fight King's ghost warriors, but Finn succumbs to bloodlust while Jake becomes obsessed in keeping a cool morale.
Memory of a Memory
Finn and Jake enter Marceline's mind to awaken her from a sleep spell she had cast on herself, without knowing that they are being tricked by a person from her past.
The grounded Ice King hires a fire-manipulating hitman to attack Finn and Jake, without realizing the potentially deadly consequences.
The Earl of Lemongrab takes over the Candy Kingdom due to Princess Bubblegum's age regression, forcing her and Finn to try and get rid of him even if it means a life-altering decision.
The king and queen of Lumpy Space ask Finn and Jake to bring their daughter back home. At the same time, they attempt to stop a "monster" from destroying a village.
Finn and Jake are literally unable to move and are at the mercy of the Ice King.
Finn and Jake enter a competition for wizards in disguise so they can prevent Ice King from winning the grand prize: a kiss from Princess Bubblegum.
Fionna and Cake
In this gender-swapped episode, Fionna and Cake must battle the evil Ice Queen.
What Was Missing
Finn and his friends must come together as a genuine band in order to open the gate of the Door Lord and get back their taken items.
When Tree Trunks's apples go missing, she, Finn and Jake descend into the dark side of the Candy Kingdom in order to find the thief.
Finn and Jake receive an invitation to a masquerade dinner. It turns into a whodunit as guests start to meet their demise.
From Bad to Worse
When another plague of Candy Zombies arises and Princess Bubblegum is among the undead, Finn and his friends are in a race against time to figure out how to stop it...without making things even worse!
Susan Strong asks Finn and Jake to help fight off the Glub Glubs in the sewers below to regain her people's home in Beautopia.
No One Can Hear You
Finn awakens after an accident to find the Candy Kingdom citizens mysteriously gone and Jake acting crazier than usual.
Jake vs. Me-Mow
Finn and Jake take on a request to protect Wildberry Princess from an unknown assassin. The assassin turns out to be a tiny cat assassin called Me-Mow, who ends up bribing Jake by poisoning him.
The Snow Golem visits the Fire Kingdom and finds an unlikely follower.
The New Frontier
Jake dreams about his death, and Finn takes action when events from the dream start to come true.
Holly Jolly Secrets (1)
Finn and Jake find the Ice King's video diary and have a chance to unearth his secrets.
Holly Jolly Secrets (2)
The Ice King summons an army of snowmen to recover the secret tapes Finn and Jake are watching. They must work against the clock to find out the secrets enclosed within.
Finn and Jake play Cloud Hunt in Marceline's house, but they get trapped in her closet after she comes home.
Library books seek help from Finn and Jake to save them from the evil Moldari.
Cyclops tears may heal Finn and Jake's broken toes.
Finn and Jake play detective and try to solve Ghost Princess' murder.
Jake's dad presents a strange challenge to the guys when he appears to them in a holographic message, telling them about a dungeon he made for them.
Jake embarks on a solo mission to help a broken-hearted Finn.
Hot to the Touch
Finn develops a crush on Flame Princess and tries to get to know her, which proves difficult due to her destructive power.
Five Short Graybles
Follow as 5 stories intertwine together, can you find the connection?
When Finn gets trapped in a giant spider web, he ends up playing marriage counselor to a couple of grumpy arachnids.
Dream of Love
Tree Trunks is courted by an oinking suitor, but much to Jake’s dismay, this interferes with her baking habits.
Return to the Nightosphere (1)
Marceline’s dad banishes Finn and Jake to the Nightosphere, and it stinks. Literally.
Daddy's Little Monster (2)
Finn and Jake attempt to rescue Marceline and find out what's making her behave so strangely.
In Your Footsteps
A bear cozies up to the guys, but his true intentions may be hidden.
Finn goes through a transformation after a run-in with a hug wolf.
Princess Monster Wife
Princesses lose body parts under mysterious circumstances.
Battling with her new realization of her own mortality, in a sleep deprived state Princess bubblegum creates her own heir to the throne. After meeting the heir, Finn and Jake decide to teach her the ways of the world.
Beyond This Earthly Realm
When Finn finds a porcelain lamb, it transports him into the spirit world and only the Ice King can help get him out.
In order to do research for her tell-all memoir about men, Lumpy Space Princess goes undercover working for Finn and Jake.
Finn and Jake are called to solve a Candy Kingdom hostage crisis when a rogue cookie takes over.
Finn and Jake play Card Quest, an epic game.
Sons of Mars
Magic man has most of his power taken from him by his brother, in a fit of desperation, he swaps the way Jake and Himself look. Magic Mans brother takes Jake to Mars for punishment,
Princess Bubblegum may be jealous when Finn start hanging out with Flame Princess.
BMO tries to find Finn's sock.
Finn has a vivid dream that may be more than it seems.
Lady & Peebles
Princess Bubblegum and Lady Rainicorn look for Finn and Jake, who are missing after a run-in with the Ice King.
You Made Me!
When a creepy sleep-peeping Lemongrab upsets Princess Bubblegum with his creepy ways, Finn and Jake need to tend to some issues in the Outer Realm.
Who Would Win?
The guys challenge a monster to a fight but end up battling each other.
Finn and Jake sneak into the Fire Kingdom to retrieve Fire Princess' scented candles and overhear a plot to assassinate the king.
The Hard Easy
Frog People seek protection from an evil lizard who's attacking their swamp.
Reign of Gunters
The Gunters cause chaos in Ooo
I Remember You
The Ice King and Marceline bond over song and memories.
The Lich (1)
A visit from the Lich King sheds light on Ooo's secrets.
Finn, der Mensch
Finn and Jake chase the Lich through a dimensional portal and meet a wishmaster. After the Lich wishes that humanity never existed, Finn wishes that the Lich never existed.
Jake, der Hund
Finn and Jake chase the Lich through a dimensional portal and meet a wishmaster. After the Lich wishes that humanity never existed, Finn wishes that the Lich never existed.
Alle fünf auf einmal, die Zweite
A series of short stories all centered around a common theme, hosted by a mysterious man named Cuber from the future.
Oben im Baum
The guys' game of catch goes awry when their throwing disc is lodged in a large tree.
All die kleinen Leute
Finn receives a bag full of miniature versions of his friends.
Jake, der Dad
Jake's a daddy, but being a father and keeping his rainicorn pups from killing themselves or each other is a lot harder than he imagined.
Finn creates an alter ego, Davey. Davey soon begins to take over, and Jake is forced into action to get his old friend back.
Der mysteriöse Kerker
Ice King, NEPTR, Tree Trunks, Shelby, and Lemongrab are trapped inside a mysterious dungeon and must work together to free themselves.
Alles deine Schuld
Princess Bubblegum sends Finn and Jake to investigate a message of distress from the Earls of Lemongrab.
Finn's hat comes to life and becomes evil after it is touched by a wizard. Finn, Jake, and the wizard track the hat down, and manage to turn the hat good.
Böser, kleiner Junge
The princesses tire of Ice King’s crazy Fionna-and-Cake fan-fiction stories, so Marceline stops by the Ice Kingdom to show him how to properly write a story.
Gruft der Knochen
When Flame Princess begins to doubt her evilness, Finn insists she is not evil and takes her on a journey into a dungeon to help her sort out her thoughts.
Der große Vogelmann
Xergiok, the former Goblin king who was deposed by Finn and Jake claims to have turned over a new leaf.
Simon & Marcy
A look at what Ice King and Marceline were like 996 years ago.
Eine Störung ist eine Störung
The Ice King creates a computer virus that will delete everyone in Ooo except for him and Princess Bubblegum. Finn and Jake hack into the universal source code to destroy the virus.
Finn dreams he is in a pillow world where he marries a pillow woman and has two children with her.
BMO makes his way home after being snatched by an eagle. On its way, BMO meets Bubble and a baby, and the three decide to journey home together.
Das Picknick der Prinzessin
Ice King gets super jealous when he finds out that he wasn't invited to the Princess Potluck.
James Baxter the Horse
Finn and Jake stumble across a horse named James Baxter who has the ability to make sad people feel better.
Finn and Jake make a bet to see who can not talk the longest, and the two use signs to communicate.
Peppermint Butler thinks that Bubblegum is working too hard in her lab, so he tries to get her a suitor.
The Party's Over, Isla de Señorita
After another one of his schemes fails, the Ice King decides to give up.
One Last Job
Jake Jr. gets involved with a group of troublemakers, and Jake is forced to reunite his old gang—which includes Tiffany who first appeared in the first season episode "My Two Favorite People"—to rescue his daughter.
Another Five More Short Graybles
A series of short stories with a common theme, hosted by a mysterious man named Cuber from the future. In this entry, Finn and Jake build a time machine. Meanwhile, Princess Bubblegum helps Cinnamon Bun overcome his fear of the dark.
Lumpy Space Princess is robbed, but before she is able to explain the details to Finn and Jake, she faints.
Wizards Only, Fools
After Starchy comes down with a cold and needs a magic cure, Finn, Jake, and Princess Bubblegum disguise themselves as wizards and sneak into Wizard City.
Jake gets upset with the amount of times that Finn uses his body as a suit of armor, so he convinces Finn to trade places with him.
BMO accidentally deletes his core system files. Finn and Jake disguise themselves as MOs to infiltrate the MO factory and save BMO from a memory wipe.
Marceline is on a top-secret mission tracking Maja the Sky Witch. But when she loses the witch's trail, Marceline turns to Princess Bubblegum for help.
Frost & Fire
After Flame Princess battles Ice King, Finn has an exciting dream. But when it abruptly ends, Finn must get FP and IK to fight again to find out how it ends.
Finn, Jake and Princess Bubblegum discover a talented mutant named Lemonhope at The Pageant of Mutants. Now they must find a way to free him from the lemongrabs.
Earth & Water
Princess Bubblegum subjects Flame Princess to a series of tests to gauge FP's fiery tendencies. But when there's an emergency at the treehouse, and PB leaves Cinnamon Bun to watch Flame Princess, her experiment might literally backfire in her face.
Jake crafts the most delicious sandwich ever, but when Magic Man steals it, Finn must defy the laws of space and time to win back Jake's creation.
When Finn starts sleepwalking and dreaming about the Green Lady he filed away in his memory vault, Jake and BMO help him tap into his repressed memories to uncover a secret past. Who is the Green Lady? And how is she connected to Finn?
Slime Princess needs a husband or else she'll lose the Slime Kingdom to her obnoxious sis. Finn steps in to save the day, but first they will need to win a series of Love Games to prove to Slime Princess's dad that they are really in love. This is definitely not what Finn signed up for!
All aboard! Finn and Jake discover a train where every car is a dungeon filled with a new foe for Finn to fight. Jake quickly gets bored and wants to leave, but Finn is having the best time and doesn't want to leave... ever!
The Box Prince
Finn meets the Box Prince—a cat with a box on its back—and learns that the Box Kingdom has been taken over by an imposter. Finn must therefore help the real Box Prince reclaim the throne.
Finn, Jake and Marceline are trapped in an underground cavern with no red in sight. If Marceline doesn't feed, like ASAP, she will turn into a vampiric beast and suck out all of Jake's blood! So, Finn heads off to explore the cave and find something red to satiate her until they can be rescued. But time is running out!
We Fixed a Truck
Finn finds an old truck, and Jake calls Banana Man to help with the repairs. But when BMO stays up all night working on the truck, he hears on a spooky radio talk show that Princess Bubblegum is a reptilian replicant. Is it just another one of Starchy's crazy conspiracy theories, or a fact?
Tired of babysitting Ice King, Finn and Jake call up an old friend to hang out with their annoying houseguest.
Finn needs Lady Rainicorn's help to rescue Jake when he is kidnapped by Kee-Oth the Blood Demon.
Finn, Jake, and Princess Bubblegum are attacked by nasty goo monsters in the Desert of Wonders.
Root Beer Guy
Root Beer Guy works a boring job during the day and tries to write mystery stories at night. But his life is about to change when he witnesses Finn and Jake kidnapping Princess Bubblegum! There's only one problem: no one believes Root Beer Guy...
Tree Trunks and Mr. Pig are celebrating the wedding of the year.
Blade of Grass
Finn and Jake decide it's time for Finn to get a new sword. Finn reluctantly buys a grass sword from a mysterious old man, but the sword turns out to be cursed! And unfortunately for our hero, all sales are final.
Finn practices his sword fighting skills at the candy junkyard, where he meets an old gumball robot named Rattleballs. To Finn's shock, he finds out he's not the master swordsman he thinks he is. What the what?! Finn begs Rattleballs to train him, but he soon discovers his mentor's deep, dark secret... a secret that will ultimately test Finn's loyalty to Princess Bubblegum.
The Red Throne
When Flame King breaks out of his prison and takes over the Flame Kingdom again, Flame Princess turns to the one person she believes she can trust... Finn! But will Finn be able to put his feelings for Flame Princess aside long enough to help her reclaim her throne?
After a magic spell backfires, the Ice King reverts back to Simon, and seeks help from Finn, Jake, and Marceline in order to get Betty, his former fiancée, back.
Love is in the air when Lumpy Space Princess reconnects with an old classmate, but will her jealousy get in the way of finding true love?
Tired of all of Princess Bubblegum's talk about "responsibility," Lemonhope yearns for true freedom. So he sets off on the greatest adventure of his lemony life.
Though Lemonhope finds refuge from the desert with monster hunter Phlannel Boxingday, he might not be able to escape the ghosts of his past.
Billy's Bucket List
Finn finds the hero Billy's bucket list and decides to complete the unfinished items as a final tribute.
In order to find Finn's father, Finn and Jake must commit a cosmic crime...unless the Lich beats them to it.
Escape From the Citadel
Finn and Jake follow the Lich to the Citadel, where Finn meets his long lost dad. But just how far does the apple fall from the tree?
Finn and Jake discover that Clone James has been faking his own death to collect medals. Now there are 25 Jameses running amok!
Finn doesn't like any of the new arms the princesses give him, so he builds a tower into space to find his dad and get his old arm back. But are his hopes up a little too high?
Once a month, while Jake's asleep, his tail stretches out of the tree house to go work as a clown in a traveling bug circus.
With a friendly bee named "Breezy" as his wingman, Finn decides to get back into the dating game.
On a field trip to the Candy Kingdom Museum of Natural History, Finn and Jake learn about the food chain by becoming the food chain!
Furniture & Meat
Big money problems send Finn and Jake to Wildberry Kingdom.
The Prince Who Wanted Everything
The beautiful and sensitive Lumpy Space Prince flees his cruel parents to start a new life.
Princess Bubblegum must rally her forces when the Candy Kingdom is rocked by a massive assault.
Shelby is thrust into a new role after a party-related accident.
Fed up with Jake's antics, his son Kim Kil Whan takes action.
Thanks for the Crabapples, Giuseppe
Ice King and a band of misfit wizards go on a mystical road trip.
It's Princess Day in Ooo! You know what that means? Yep, LSP and Marceline team up to prank Breakfast Princess!
A shadowy figure named Peace Master targets the Candy Kingdom elite.
Joshua & Margaret Investigations
Finn and Jake's parents hunt an unearthly menace in the woods.
Jake and the tree house are haunted by a vengeful specter.
Jake finds himself trapped in a world made of himself.
Is That You?
Following an ally's memorial service, Jake begins acting strangely.
Jake the Brick
Jake wants to fulfill a bizarre lifelong ambition.
When Finn's toothache gets too much to take, he has no choice but to go see dentist.
The Fire Kingdom is struck by a natural disaster and the Flame Princess seeks help from an unlikely ally.
The Pajama War
A Candy Kingdom slumber party devolves into panic when Finn and Princess Bubblegum vanish.
In a distant age, the wizard Evergreen quests to save the world.
Finn has an out-of-body experience that takes him all over Ooo and beyond.
Tree Trunks and Mr. Pig's child, Sweet P, runs into trouble on his first day of school.
A vision leads Finn to a friendly civilization and a mysterious crash site.
Lemongrab and Finn go on an expedition through the Mountain of Matthew.
Susan Strong and her allies infiltrate the mysterious Super Porp factory.
Jake's son TV discovers a lost diary and sets out to solve a decades-old mystery.
Walnuts and Rain
Finn and Jake stumble into two different holes and meet two different fates.
Ice King has a plan to form a perfect circle of confidants.
After a chilling dream encounter, Finn & Jake are determined to reconnect with their reclusive brother.
Chips and Ice Cream
BMO’s favorite artists find a new home in the treehouse
Marooned on an alien world, Cuber must rely on his bag of Graybles to survive.
A charismatic stranger in Finn's dream leads Cosmic Owl to shirk his duties.
Water Park Prank
After rescuing Princess Orangutan from Daddy-sad-heads, Finn and Jake head to a post-apocalyptic water park for a day of fun.
You Forgot Your Floaties
Finn and Jake storm Magic Man's house to rescue his new apprentice.
A fed up Lumpy Space Princess leaves the woods for a glamorous career in babysitting.
After a walrus race accident, Gunther starts to experience strange visions.
On the Lam
Finn's dad Martin the Human fights for freedom on a strange new planet!
Hot Diggity Doom
It's election day in the Candy Kingdom but Princess Bubblegum's attention is diverted by a mysterious presence in the sky.
Finn, Jake and Orgalorg converge with the comet and meet their destiny.
Bonnie and Neddy
Under orders from the King of Ooo, Finn and Jake discover one of Ooo's greatest secrets.
Bubblegum turns to Marceline for help when something threatens the citizens of her homestead.
Cherry Cream Soda
The arrival of a visitor causes Cherry Cream Soda's life to fall flat.
The loyalty of Finn and Jake comes into question when the King of Ooo orders them to intercept a flying mushroom.
BMO and Football decide upon a deal, but one of them cannot keep up their end of the bargain.
Marceline the Vampire Queen (1)
Finn and Jake hunt a shadowy predator and Marceline asks Princess Bubblegum for a favor.
Everything Stays (2)
Marceline looks back on her life on her last day.
Vamps About (3)
Old foes surface from Marceline's past.
The Empress Eyes (4)
An old adversary targets the Ice Kingdom and Marceline has to save Simon.
May I Come In? (5)
The gang search for Vamps.
Take Her Back (6)
Princess Bubblegum searches for a cure for Marceline and Finn and Jake battle a vamp.
Marceline's archenemy visits and makes an odd proposal right before battle.
The Dark Cloud (8)
The final confrontation begins.
The More You Moe (1)
It's BMO's birthday, and he gets to have his creator MO pay him a visit. Mo gives BMO a solo quest to go the factory and back.
The Moe You Know (2)
BMO learns that all the others MO have been merged into 1 giant being, and of the brother he never knew he had.
Viola tries to get a part in LSP's play, but gets made into LSP's personal assistant instead.
BMO convinces his friends to join him in a live action cowboy role-playing game.
President Porpoise is Missing!
Finn and Jake attempt to track down President Porpoise before Vice President Blowfish takes over.
Blank Eyed Girl
One very spooky night, Finn and Jake come face-to-face with an urban myth.
Finn, Jake, LSP and BMO seek shelter as they contend with some deadly weather.
Ice King suffers a heartbreaking loss and it's up to Finn and Jake to find the culprit.
Finn takes a group of at-risk Candy Kingdom youth on a camping trip they’ll never forget.
Finn and Jake crossover into Farmworld Finn's dimension.
The Hall of Egress
Trapped and alone, Finn must unravel the riddle of the weird cave with no exit.
Finn has secret meetings with a powerful wizard.
The Thin Yellow Line
Finn and Jake infiltrate the Banana Guard ranks and stumble upon a conspiracy.
Broke His Crown
When Ice King's magic crown goes haywire, Marceline and Princess Bubblegum resort to extreme measures to help him.
Broke His Crown
When Ice King's magic crown goes haywire, Finn and Jake resort to extreme measures to help him.
Finn gets magic eye gems stuck on his eyes, turning anyone he looks at into whatever he thinks of them.
At the top of Dead Mountain, Jake discovers a treasure that comes with a terrible price.
Beyond the Grotto
Finn and Jake go into the pond by their house to rescue a sea lard, and discovered a secret grotto that the water nymphs hang out.
Beyond the Grotto
In pursuit of a runaway Sea Lord, Finn and Jake are led down a whirlpool into a curious new land.
Lady Rainicorn of the Crystal Dimension
Lady Rainicorn of the Crystal Dimension
Jake's son TV finds a hidden box and draws the attention of a super cool Rainicorn named Leigh.
I Am a Sword
I'm a Sword
Finn starts having guilt nightmares about his missing Finn Swords...but are the nightmares real?
Finn brings a special delivery for Cinnamon Bun to the Fire Kingdom but it may come with a dangerous cost.
Five Short Tables
The Music Hole
Daddy Daughter Card Wars
Finn and Jake contend with a mysterious, but familiar, new being.
The Light Cloud
Do No Harm
Finn makes amends at the Candy Hospital while Jake tries to connect with their unexpected houseguest.
Kim Kil Whan is worried about his daughter's future and asks Jake for some parental advice.
An otherworldly encounter puts Tree Trunks on the trail of a conspiracy in the Candy Kingdom.
Horse and Ball
When disaster befalls James Baxter, it's up to Finn and Jake to help him pick up the pieces.
Jelly Beans Have Power
Princess Bubblegum's scientific mind must wrestle with her Elemental magic potential when she's faced with a Crystal Entity.
Islands, Part 1: The Invitation
A mysterious craft invades Ooo and Finn believes it may hold the secrets to his past.
Islands, Part 2: Whipple the Happy Dragon
Finn, Jake, and Susan set sail on a ocean voyage full of wonders and danger.
Islands, Part 3: Mysterious Island
After waking up alone and shipwrecked, Finn investigates a bizarre island in search of his friends.
Islands, Part 4: Imaginary Resources
Finn and Jake travel to a land where reality has been redesigned and improved.
Islands, Part 5: Hide and Seek
While exploring some futuristic ruins, Susan sees glimpses of a familiar girl.
One very spooky night, Princess Bubblegum comes face-to-face with an urban myth.
Islands, Part 6: Min and Marty
An unexpected revelation from Susan leads Finn closer to answers about his past.
Islands, Part 7: Helpers
Finn and his friends journey to a last refuge called Founders Island.
Islands, Part 8: The Light Cloud
Finn confronts the power behind Founders Island, but will he ever return home to Ooo?
While returning home from their adventure in Islands, Finn, Jake and BMO take a nap after eating a lot of bananas. A mysterious black orb in the sky begins to subject the three to strange dreams that quickly become nightmarish. Their nightmares begin to intertwine as they realize that they are dreaming and come in contact with a being that Finn dubs Nightmare Princess. This entity simply wants their bananas, but BMO strikes a bargain so that they get something in return. The group wake up to the orb taking some of their bananas and leaves a pink vile of nightmare juice. BMO looks through the telescope to discover that Ooo has changed radically.
Elements, Part 1: Skyhooks
Finn, Jake and BMO arrive back in Ooo and discover that their home and the areas surrounding it have been entirely converted into candy. They also encounter Fern, N.E.P.T.R., Shelby, Lemongrab, Tree Trunks, Mr. Pig and Marceline who have been converted into happily brainwashed candy people. A frightened Sweet P is the only person who is still normal and directs the gang to a mysterious candy tower. The tower turns out to be Princess Bubblegum who has become a large candy being and attempts to convert the gang into candy people as well. While BMO is completely transformed, Finn and Jake are rescued by Ice King who takes them to the Sky Kingdom. As Finn and Jake look down, they discover that Ooo has been divided into four completely corrupted sections.
Elements, Part 2: Bespoken For
Ice King explains what happened to Ooo while Finn and Jake were away. After the group left on their adventure, Ice King was visited by Betty (voiced by Felicia Day) who, frustrated over Ice King not remembering her, asks him out on a date. Betty recreates a restaurant from Ice King's previous life as Simon. When Ice King still can't remember his old life Betty drops him off back home and leaves him. Tiny Manticore gives Betty some advice; rather than trying to adhere to Simon, she should just reach out to him as Ice King due to her having changed as well. Betty returns to Ice King and they start playing together. Suddenly, Patience St. Pim (voiced by Lauren Lapkus) kidnaps Betty and begins using her magic to empower mind controlled Princess Bubblegum, Flame Princess and Slime Princess while Ice King flees with Gunter.
Elements, Part 3: Winter Light
Finn, Jake and Ice King travel to the Ice World and break through the large ice dome covering the center of the land. They encounter Carroll (voiced by Cameron Esposito), from "The Tower", who was converted to Ice and is genuinely pleased with her new appearance. The gang eventually encounter a powered up, and rather withheld, Patience who seems disappointed with the outcome of the new Ooo. While she succeeded in empowering the other elementals they have relegated themseleves to their sections of Ooo as Patience had forced them to power up rather than allow them to do so themseleves. The gang rescue Betty and leave while Patience bemoans the new world to an iced Choose Goose. Betty reveals that she can help them with the power of the Enchiridion which Finn has, causing Betty to ominously laugh.
Elements, Part 4: Cloudy
In order to calm Finn down, Jake tucks him and himself into a cloud, but it floats away from Ice King and Betty. The two find themselves floating in the middle of endless sky while another cloud with a door flies past them. The two play pretend barber to pass the time and end up getting to the roots of their worries. The cloud flies past again and discover that it is actually a lard. They use the lard to fly back to Betty and Ice King where the former has discovered a way to return the land of Ooo to normal.
Elements, Part 5: Slime Central
Finn and Jake arrive in the transformed Slime Kingdom to retrieve Slime Princess' crown for her jewel. They run into Lumpy Space Princess who is attending Slime Princess's roller skating party. The winners of the skating competition get absorbed into Slime Princess's whole being while the losers are caged up. Finn, Jake and Lumpy Space Princess enter, but lose, only to learn that by losing they still get absorbed. While Finn manages to grab the crown, Jake gets fully absorbed into Slime Princess forcing Lumpy Space Princess to save Finn, revealing in the process that 'her lumps' protect her from corruption. They are ejected from Slime Princess and forced to leave. Finn is saddened at the loss of Jake, but Lumpy Space Princess explains that Finn and Jake always win which inspires Finn to continue his mission.
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 Daly) and Lady Rainicorn, attack the heroes. Finn and Gunter try desperately to restrain their violent tendencies as it would allow the kingdom to corrupt them. Eventually the group find Flame Princess who has transformed into a dragon. When she swallows the jewel necessary to save Ooo, Finn gives into his violence and begins attacking Flame Princess. Lumpy Space Princess angered by the violence yells at everyone to stop their fighting. The kingdom misinterprets her anger and decide to start a war with the Candy Kingdom. Cinnamon Bun, who was unaffected by the corruption, frets that this is the end of Ooo.
Elements, Part 7: Hero Heart
Lumpy Space Princess chases Finn and attempts to turn him back to normal, but to no avail. Ice King and Betty try to intervene, but are swatted away by Flame Princess. The Fire Kingdom inhabitants 'fight' the Candy Kingdom inhabitants making Lumpy Space Princess upset. After eating some of Marceline, who is made of marshmallows, Lumpy Space Princess reaches out to Finn's hero heart by placing some of Princess Bubblegum onto him. Recalling happier times with PB, Finn returns to normal. PB then fires her candy powers into the air and converts everyone into obedient candy people, except for Finn who was protected by Lumpy Space Princess. Finn nabs the three jewels and gives them to Betty, but she leaves him behind. Finn finds himself surrounded by the Candy Kingdom.
Elements, Part 8: Skyhooks II
Betty knocks out Ice King and reveals that she wants to use the jewels to go back in time and stop Simon from transforming into Ice King. Ice King, still oblivious to her plans accidentally ruins her spell causing her to get transported to Mars where she meets Normal Man. Lumpy Space Princess rescues Finn from the candy inhabitants as Princess Bubblegum enacts her plan to convert the rest of Ooo into candy while Patience freezes herself again. Finn realizes that LSP's immunity means that she is the anti-elemental. Ice King arrives with the gems and Lumpy Space Princess is able to transform all of Ooo back to normal. However, Jake comes back resembling his shapeshifter parent. Despite this, Finn is glad that he is reunited with his brother.
Fionna and Cake and Fionna
Marcy & Hunson