Yetis Don't Care 'Bout Nothin'! - S1.E37

Entree is bored and decides to have fun on the island. Peri, Joe and Patricia stop him and he accuses them as fun wreckers. The next morning Entree jet-skis the island to Antarctica and the island is attacked by Yetis. Entree sees that Yetis can do whatever they want and decides to join them.