Finn and Jake come under attack in their home from a race of super-evil creatures which are too cute to be taken seriously.

Finn and Jake end up in a haunted arena where they must fight ghost gladiators to escape.

Finding their friend, Marceline the Vampire Queen, in a deep sleep, a mysterious stranger helps Finn and Jake by sending them into her dreams to awaken her.

The Ice King looks to hire a professional bully to beat up Finn and Jake, but inadvertently hires a deadly, unstoppable contract killer.

Finn is happy that Princess Bubblegum has regressed to the same age as him. But soon a challenger for the throne arrives to unseat the newly underage princess.

The king and queen of Lumpy Space ask Finn to find and return Lumpy Space Princess, who has been living in the woods and mistaken as a monster.

The Ice King uses a potion that paralyzes Finn and Jake, who become the lonely villain's unwilling best friends.

The Ice King enters a battle of wizards from all over the Land of Ooo, to win a kiss from Princess Bubblegum--which Finn and Jake look to prevent.

In a world where all the characters are different genders, the adventurer Fionna gets advice from her cat-friend Cake on her date with Prince Gumball.

In order to open a magic door filled with stolen items, Finn and all his friends must perform in a band. But everyone's differing musical tastes and overall tensions make things difficult.

After Tree Trunks finds her apples have gone missing, Finn and Jake search the criminal underworld of the Candy Kingdom to recover them.

Finn's masquerade birthday party turns into a deadly mystery.

The undead plague returns to the Candy Kingdom.

Susan Strong returns and asks Finn and Jake to save her people from the Glubs. But Finn is still not sure if he can trust her after last time.

After trying to stop a deer that has been licking the Candy Kingdom people, Finn wakes up in a hospital to find everyone missing except Jake who is acting very strange.

A tiny cat assassin tries to black mail Jake into killing someone, by hiding in his nose with some poison.

A fire-breathing wolf cub becomes lost in the snowy woods and becomes unlikely friends with a tall snow-creature.

Jake has a dream that seems to foretell his death but, to Finn's dismay, doesn't take it serious.

In part two of the holiday special, The Ice King tries to get his video diary back from Finn and Jake.

Bored waiting for her, Finn and Jake sneak into Marceline's house, become trapped when she comes home, and witness her strange behavior when she's alone.

A secret war takes place in the library between tiny paper people and mold creatures, and Finn is brought into the middle of it all.

Finn journeys for a cyclops's magical tears to cure his injuries, but have trouble because of his stubborn inability to follow the advice of others.

Finn and Jake try to help Ghost Princess by solving her murder.

Finn and Jake discover a lost message from their dad which sends them to a mysterious and dangerous dungeon.

Trying to help Finn get over his hopeless feelings for Princess Bubblegum, Jake sets out to find a new princess for Finn to go out with.