Finn and Princess Bubblegum find themselves facing a dangerous situation when they accidentally unleash hordes of zombies. As they have to find a way to save the Candy Kingdom from the impending doom.
After Jake is bitten by Lumpy Space Princess, Finn ventures into Lumpy Space in order to find a way to cure Jake.
As the Ice King searches for a potential bride, he hatches a plan to kidnap a number of princesses. Now it's up to Finn and Jake to save the day and rescue the princesses.
Finn and Jake accompany Tree Trunks in her quest to find a special apple in an evil forest. But as they find the tree, things don't go as expected.
Finn and Jake find themselves facing a tough challenge, as Princess Bubblegum sends them on a mission to find a magical book that could determine their destiny.
When Finn and Jake stumble upon a strange creature, they decide to take it in. But they later discover that it's homesick and it needs to return to the wild.
When a mysterious visitor named Ricardio arrives in Candy Kingdom, everyone falls for his charm. But Finn becomes suspicious of him, as he sets out to discover his true intentions.
Finn and Jake get in over their heads when they come across a group of frozen businessmen, as they set out to use their efficiency to their advantage.
When Jake tries to spend time with both Finn and his girlfriend Lady Rainicorn, Finn starts feeling left out when Jake and Rainicorn get closer to each other.
As Finn faces a hard time while fixing the problems of the residents of a mountain village, he is reminded of the reason he wanted to help people.
As Finn and Jake find themselves learning how to be great wizards, they discover that they got involved in a catastrophic situation. As they figure out a way to defuse the crisis.
When the Vampire Queen Marceline decides to take over Finn and Jake's treehouse, they set out to find a new place to live in the land of Ooo.
When Finn and Jake enter the City of Thieves to find a thief who stole a flower basket from a little girl, Finn finds himself facing a hard challenge, as he tries to resist the temptations to become evil.
After a witch strips Jake of his powers, he loses his passion for adventure. As he realizes that he has to swallow his pride in order to get his powers back.
When Finn creates a robot that throws never-ending pies at Jake, things take a turn when the robot develops feelings and starts having a conscience.
When Finn and Jake hang out by the sea, Finn discovers that he's scared of the ocean. As Finn struggles with his phobia, Jake sets out to help him face his fears.
When Finn and Jake find out that the Ice King is planning to get married, they become suspicious. As they set out to discover the mystery behind his soon-to-be bride.
Finn lands himself in trouble when he ventures on his own into a scary dungeon, as it causes him to clash with Jake. But when they face imminent danger, Princess Bubblegum steps in just in time.
When Finn lets the Duke of Nuts take the fall for his own mistake, he starts feeling guilty. As he must decide whether to confess the truth and face the consequences or let someone else take the blame.
When Magic Man turns Finn into a foot, he teams up with the band of misfits. As they set out to face Magic Man to transform them back into their normal form.
When Finn and Jake run into an ogre named Donny, they attempt to make him change his ways. But they get more than they bargained for when their plan backfires.
When Finn accidentally finds himself to be the new henchman of Marceline, she decides to pull a prank on him, by tricking him into thinking that he will do evil tasks for her.
When a storm causes the duo to be stuck in their treehouse, Jake finds out that he can turn his imagination into a reality. But things soon get out of control as Finn must step in to save the day.
Finn and Jake find themselves facing a moral dilemma when they are tasked with capturing the Ice King, in spite of the fact that he has done nothing wrong.
When Finn meets his idol the great warrior Billy, he is surprised when he finds that Billy wants to teach him not to use violence.
When a mysterious creature starts to steal the gold of others, Jake becomes scared that he could be the monster who's wreaking this havoc, only for him and Finn to find the real culprit.