Season 1

2010 · 26 episodes

Episodes

1Slumber Party PanicFinn and Princess Bubblegum must protect the Candy Kingdom from a horde of candy zombies they accidentally created.
2Trouble in Lumpy SpaceFinn 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.
3Prisoners of LoveWhen the Ice King kidnaps a number of princesses he sees as potential brides, Finn and Jake team with the prisoners to set everybody free.
4Tree TrunksFinn and Jake join Tree Trunks in search for the rare Crystal Gem Apple, but question whether Tree Trunks has what it takes to adventure.
5The Enchiridion!Finn and Jake go on a quest for a magical book that would prove them worthy of being righteous heroes.
6The JigglerA jiggly creature attracted by Finn's auto-tuned singing follows Finn and Jake home but soon feels ill effects of separation from its family.
7Ricardio the Heart GuyWhen 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.
8Business TimeWhen Finn and Jake discover a group of businessmen frozen in an iceberg, the duo thaws them and hires them to help with their adventures.
9My Two Favorite PeopleJake's plan to spend time with both Lady Rainicorn and Finn backfires.
10Memories of Boom Boom MountainFinn reflects on an upsetting experience in his past and pledges to help everyone in town, but this proves more difficult than imagined.
11WizardFinn and Jake temporarily get magic powers from an evil wizard, but are tricked into helping stop a comet.
12Evicted!Finn and Jake search the land of Ooo for a new home after Marceline claims the duo's treehouse as her own.
13City of ThievesFinn and Jake go off to face a thief king who has been stealing from little girls.
14The Witch's GardenFinn and Jake consider breaking up after a witch strips Jake of his powers.
15What Is Life?Finn brings a pie-throwing robot to life, but the machine begins to long for a more fulfilling existence.
16Ocean of FearFinn struggles to overcome his fear of the ocean.
17When Wedding Bells ThawThe Ice King gets married but not before he convinces Finn and Jake to throw him a manlorette party.
18DungeonFinn's headstrong decision to explore a dungeon in defiance of Jake's warnings leads to a dangerous escapade.
19The DukeFinn must tell the truth when he accidentally turns Princess Bubblegum bald and green and blames the Duke of Nuts.
20Freak CityAfter being transformed into a foot, Finn joins forces with a band of misfits to make things right.
21DonnyFinn 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.
22HenchmanAfter seeing Marceline the vampire queen torment an elderly henchman, Finn steps in to be her new henchman, doing whatever he is told to do.
23Rainy Day DaydreamStuck inside the treehouse due to a knife storm, Finn and Jake use their imagination to pass the time.
24What Have You Done?Finn and Jake capture the Ice King as their prisoner, but feel guilty when unable to explain the wrongs he committed.
25His HeroThe great warrior Billy inspires Finn and Jake to practice nonviolence, but the duo finds it difficult to resist old ways.
26Gut GrinderWhen 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.