ABC 20/20

Finn must keep his promise to Princess Bubblegum and cover up the zombie problem they've created.

Finn must keep his promise to Princess Bubblegum and cover up the zombie problem they've created. / Finn and Jake must travel to a far-off land to stop Jake from becoming permanently lumpy.

Finn and Jake must travel to a far-off land to stop Jake from becoming permanently Lumpy.

Finn quests for a book that will make him a better hero. / Finn and Jake must figure out what's wrong with a creature.

The boys try to cool off but get trapped by the Ice King.

The boys try to cool off but get trapped by the Ice King. / Finn and Jake try to go on a quest while protecting the elephant Tree Trunks.

Finn becomes jealous of Princess Bubblegum's new suitor. / Finn and Jake must take charge after the businessmen they've outsourced some of their work to go too far.

Finn and Jake try to go on a quest while protecting Tree Trunks.

Jake tries to broker peace between Rainicorn and Finn. / Finn gets caught up in trying to make everyone happy.

Finn quests for a book that will make him a better hero.

Finn and Jake must figure out what's wrong with a creature.

Finn pursues the powers an old wizard offers him, but with great power comes, yeah yeah, all that. / Marceline shows up and says the tree fort was once hers and she wants it back.

Finn tries not to be corrupted by the City of Thieves. / Jake loses his powers to a witch.

Finn becomes jealous of Princes Bubblegum's new suitor.

Finn and Jake must take charge after the businessmen they've outsourced some of their work to go too far.

In his attempt to out-prank Jake, Finn inadvertently creates the Ice King's son. / Finn faces his biggest challenge yet, overcoming his fear of water.

Jake tries to broker peace between Rainicorn and Finn.

Finn must help plan the Ice King's bachelor party. / A magical man turns Finn into a foot. They meet others who have been similarly wronged and must work together.

Memories of Boom Boom Mountain: Finn gets caught up in trying to make everyone happy.

Finn goes to great lengths to catch the evil Duke of Nuts, only to discover he's not such a bad guy. / In an attempt to save a village, Finn and Jake rehabilitate Donny the Ogre, who's a jerk.

While trying to rescue a helpless stranger, Finn becomes Marceline's slave. / Finn tries to conquer a dungeon without Jake's help.

Finn single-mindedly pursues the powers an old wizard offers him, until he learns that with great power comes, yeah yeah yeah, all that.

Marceline shows up and informs that the tree fort was once hers and she wants it back.

Finn and Jake befriend the Ice King in an attempt to save the ice cream people. / Jake's imagination runs wild and Finn has to stop it before it kills them.

Finn tries not to be corrupted by the City of Thieves.

Finn and Jake chase a mysterious villain who's been stealing gold from helpless villages. / Finn meets his adventuring role model, only to learn he's become a wuss in his old age.

Jake loses his powers to a witch.

In his attempt to out-prank Jake, Finn inadvertently creates the Ice King's son.

Finn faces his biggest challenge yet, overcoming his fear of water.

Finn must help plan the Ice King's bachelor party.

Finn tries to conquer a dungeon without Jake's help.

Finn goes to great lengths to catch the evil Duke of Nuts, only to discover he's not such a bad guy after all.

A magical man turns Finn into a foot. They meet others who have been similarly wronged and must work together.

In an attempt to save a village, Finn and Jake rehabilitate Donny the Ogre, who's a real jerk.

While trying to rescue a helpless stranger, Finn becomes Marceline's slave.

Jake's imagination runs wild, and Finn has to stop it before it kills them.

Finn and Jake befriend the Ice King in an attempt to save the ice cream people.

Finn meets his adventuring role model, only to learn he's become a wuss in his old age.

Finn and Jake chase a mysterious villain who's been stealing gold from helpless villages.