SpongeBob SquarePants Episode 10 Culture Shock - F.U.N. >After another failed attempt by the evil Plankton to steal a Krabby Patty, SpongeBob reasons that Plankton is just lonely and needs a friend; that's why he's so evil. After SpongeBob befriends Plankton, the two engage in a variety of friendship activities. Unfortunately, Mr. Krabs must show SpongeBob Plankton's true colors.