Finn meets with Billy, the greatest hero in the history of Ooo. But the hero has now taken a path of non-violence and wishes for Finn and Jake to do the same! Can they save people while being as non-violent as possible?

Finn and Jake capture Ice King under order of Princess Bubblegum without even knowing what he has done wrong.

When a knife storm forces Finn and Jake to stay inside, they discover the out-of-control power of Jake's imagination.

Finn takes the place of Marceline's henchman, and he finds out how hard it is to obey her strange ways.

When Finn and Jake see a bullying ogre named Donny, they help him turn his life around, unaware of the ecological consequences of their action.

After a magic man turns Finn into a giant foot, he and Jake team up with a band of similar body part freaks to set things right and try to turn themselves back to normal.

During a mishap accidentally caused by Finn, Princess Bubblegum becomes green and bald, and blames the Duke of Nuts for it, thus making Finn think he's a bad guy. Finn and Jake have no choice but to find the Duke of Nuts on Bubblegum's order.

Finn descends into a dungeon in hopes of finding adventure, but ultimately finding various obstacles that better fit being handled by Jake than himself alone...

The Ice King is finally getting married, but consults Finn and Jake on whether or not to go through with getting hitched or keeping his life of abducting princesses.

Finn discovers he's afraid of the ocean, so he enlists Jake's help to overcome his fear or risk failure.