Finn and Jake ask Marceline the Vampire Queen to turn them into vampires. However, she isn't interested in transforming her friends and tricks them into thinking she has.

With the evil Lich seemingly defeated, Finn and Jake are uneasy with their success because of its great cost.

The Lich, the greatest form of pure evil in the land of Ooo, is accidentally unleashed. With the highest stakes, Finn and Jake set out on the most serious adventure of their career.

Finn and Jake set out to make their own movie, but have conflicting visions of what their movie should be.

An enormous maze tests the limit of Jake's stretching power.

Finn and Jake must save a group of clueless, party-minded teddy bears living inside the belly of a monster.

Jake and Marceline give Finn conflicting advise on how to ask out Princess Bubblegum.

While traveling on a train, Finn and Jake find themselves in the middle of a murder mystery.

Having always believed he is the only human left in the Land of Ooo, Finn believes he has discovered a tribe to primitive humans living underground.

After accidentally killing Princess Bubblegum's beloved plant, Finn and Jake travel to the land of the dead to bring it back to life.

Finn and Jake trick BMO into letting them into the video game called Guardians of Sunshine, where they attempt to defeat an unbeatable video game in a 3-D digital environment.

Finn, who has to give a speech at Princess Bubblegum's science barbecue, seeks a quick fix to make himself smarter. However, he does so by getting a pair of glasses with very strange effects.

After Finn deposes the spank-happy king of Goblins, he becomes the king of goblins to prevent strife. But they and their strange rules prove not to his liking.

Finn takes up a quest from a dying knight to protect three magic beans: two good, one evil. But when he and Jake decide to plant the beans to eliminate the evil once and for all, will they be able to figure out which is which in time?

Jake pretends to be a rainicorn in order to make Lady's parents like him.

In Ninja-mode, Finn and Jake break into Ice King's palace to catch him red-handed.

Finn needs to find a princess willing to give up a lock of her hair to save Jake from a balding witch.

Finn and Jake volunteer for a dangerous assignment: carrying rare tarts for a meeting of Ooo royalty.

Jake takes a vow of non-violence which is inconvenient when they're attacked by marauders from the crystal dimension.

Finn is kidnapped by a group of gnomes, who want to harness his energy to take over the world. Only Jake can save his best friend... if he can just focus long enough to follow the obvious clues and rescue Finn.

A lonely snail lookin' for love literally crashes into the treehouse and asks Finn and Jake for help. Now our heroes must teach this snail how to get a girlfriend before he destroys their home!

When Jake becomes sick, the only thing that can cure him is a good story, so he asks Finn to go out and find one. The story must have excitement, romance, suspense and, of course, a happy ending. But when nothing interesting happens, Finn tries to make the story happen, accidentally turning the forest animals against each other... and him!

Finn goes on an embarrassing quest to get armor to fit in with some really cool knights.

There's a new "Nice King" in Ooo, and he looks kinda like someone else we know.

One night, an exhausted Finn and Jake are creeped out by an odd-looking horse that mysteriously appears outside the treehouse and keeps them awake. They try everything they can think of to get rid of the freaky horse, but nothing seems to work.

Finn summons the Lord of Evil to reconcile with his daughter, Marceline the Vampire Queen, but ends up unleashing him on the unsuspecting land.