Mad Jack the Pirate - Season 1 Episode 18 The Great Kapow!
Overview: While Jack and Snuk are starving at sea, an island tribe is having trouble feeding the Great Kapow. Before Jack can eat Snuk, they reach the island. The tribe treat Jack and Snuk to delicious food but are fattening them up for Kapow. When Snuk is thrown to Kapow, he finds Kapow is a man operating a machine to scare the tribe into feeding him. In the end Snuk puts everyone on a diet.