Adventure Time - S01 - Ep 26

Jake is accused of being a horrible monster that has been terrorizing the locals. Soon, Jake himself is unsure if he is or isn't the monster.

Finn and Jake try to reform a bullying ogre, but realize that their good deed has unexpected consequences.

Jake is bitten by Lumpy Space Princess and begins to transform into a Lumpy being. In order to find a cure, Finn is travels to Lumpy Space.

Marceline the Vampire Queen tricks Finn into swearing allegiance to her.