SpongeBob SquarePants

Season 4, Episode 20

Episode Title: Karate Island

Air Date: 2006-05-12

Overview:

SpongeBob receives an invitation to take part in a competition on mysterious Karate Island for the chance to be crowned "King of Karate." SpongeBob and Sandy arrive at Karate Island and it turns out that it was just all a set-up to make SpongeBob buy real estate.