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Finn and Princess Bubblegum must protect the Candy Kingdom from a horde of candy zombies they accidentally created.
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.
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.
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.
Jake's plan to spend time with both Lady Rainicorn and Finn backfires.
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.
Finn and Jake go off to face a thief king who has been stealing from little girls.
Finn and Jake consider breaking up after a witch strips Jake of his powers.
Finn brings a pie-throwing robot to life, but the machine begins to long for a more fulfilling existence.
Finn struggles to overcome his fear of the ocean.
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.
Stuck inside the treehouse due to a knife storm, Finn and Jake use their imagination to pass the time.
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.
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