The Marvelous Misadventures of Flapjack follows the tale of a boy named Flapjack who is raised by a whale named Bubbie. Upon meeting a pirate named Captain K’nuckles, Flapjack and Bubbie decide to go on some of the adventures that their new pirate friend told them about. However, they soon start hanging out in a nearby harbor where they earn candy money and get into a lot of trouble.