archytele The Vault
Season guide

Adventure Time: Season 1

26 episodes Premiered Apr 5, 2010 Updated Jul 18, 2026
Season 1 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 1 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 1: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

12%
88%
Mytharc (3): Crucial lore & season climaxes
Core (23): Character development & subplots
Side Quest (0): Standalone / filler
S1·E1 Mytharc

Slumber Party Panic

Apr 5, 2010 · 11 min

Finn and Princess Bubblegum must protect the Candy Kingdom from a horde of candy zombies they accidentally created.

S1·E2 Core

Trouble in Lumpy Space

Apr 5, 2010 · 11 min

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.

S1·E3 Core

Prisoners of Love

Apr 12, 2010 · 11 min

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.

S1·E4 Core

Tree Trunks

Apr 12, 2010 · 11 min

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.

S1·E5 Core

The Enchiridion!

Apr 19, 2010 · 11 min

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

S1·E6 Core

The Jiggler

Apr 19, 2010 · 11 min

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.

S1·E7 Core

Ricardio the Heart Guy

Apr 26, 2010 · 11 min

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.

S1·E8 Core

Business Time

Apr 26, 2010 · 11 min

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.

S1·E9 Core

My Two Favorite People

May 3, 2010 · 11 min

Jake's plan to spend time with both Lady Rainicorn and Finn backfires.

S1·E10 Core

Memories of Boom Boom Mountain

May 3, 2010 · 11 min

Finn reflects on an upsetting experience in his past and pledges to help everyone in town, but this proves more difficult than imagined.

S1·E11 Core

Wizard

May 10, 2010 · 11 min

Finn and Jake temporarily get magic powers from an evil wizard, but are tricked into helping stop a comet.

S1·E12 Core

Evicted!

May 17, 2010 · 11 min

Finn and Jake search the land of Ooo for a new home after Marceline claims the duo's treehouse as her own.

S1·E13 Core

City of Thieves

May 24, 2010 · 11 min

Finn and Jake go off to face a thief king who has been stealing from little girls.

S1·E14 Core

The Witch's Garden

Jun 7, 2010 · 11 min

Finn and Jake consider breaking up after a witch strips Jake of his powers.

S1·E15 Core

What Is Life?

Jun 14, 2010 · 11 min

Finn brings a pie-throwing robot to life, but the machine begins to long for a more fulfilling existence.

S1·E16 Core

Ocean of Fear

Jun 21, 2010 · 11 min

Finn struggles to overcome his fear of the ocean.

S1·E17 Core

When Wedding Bells Thaw

Jun 28, 2010 · 11 min

The Ice King gets married but not before he convinces Finn and Jake to throw him a manlorette party.

S1·E18 Core

Dungeon

Jul 12, 2010 · 11 min

Finn's headstrong decision to explore a dungeon in defiance of Jake's warnings leads to a dangerous escapade.

S1·E19 Core

The Duke

Jul 19, 2010 · 11 min

Finn must tell the truth when he accidentally turns Princess Bubblegum bald and green and blames the Duke of Nuts.

S1·E20 Core

Freak City

Jul 26, 2010 · 11 min

After being transformed into a foot, Finn joins forces with a band of misfits to make things right.

S1·E21 Core

Donny

Aug 9, 2010 · 11 min

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, w

S1·E22 Core

Henchman

Aug 23, 2010 · 11 min

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.

S1·E23 Core

Rainy Day Daydream

Sep 6, 2010 · 11 min

Stuck inside the treehouse due to a knife storm, Finn and Jake use their imagination to pass the time.

S1·E24 Core

What Have You Done?

Sep 13, 2010 · 11 min

Finn and Jake capture the Ice King as their prisoner, but feel guilty when unable to explain the wrongs he committed.

S1·E25 Mytharc

His Hero

Sep 20, 2010 · 11 min

The great warrior Billy inspires Finn and Jake to practice nonviolence, but the duo finds it difficult to resist old ways.

S1·E26 Mytharc

Gut Grinder

Sep 27, 2010 · 11 min

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.