Episode Title:
King's Ransom.
Episode Description:
The Ice King enlists Finn and Jake to recover his stolen crown and Gunter the penguin. After several wasted efforts involving foxes and fake crowns, they learn that Gunter and the real crown have been taken to a mysterious cave. The Ice King goes alone and meets Betty, who used Gunter's innate demon powers to manipulate the circuitry of the crown for unknown purposes. As the Ice King is reunited with the ice crown and Gunter, Betty disappears.
