The Chum Bucket (4981)

LEGO.com description
At the Chum Bucket, Plankton hatches his evil plans to steal the Krabby Patty recipe. With the help of his computer, he’ll use his spinning brainwasher, the Krabby Patty analyzer and even a robotic SpongeBob to get it! Includes SpongeBob and Plankton, plus Plankton’s Burger Walker, Robot SpongeBob, and a robot customer.

Minifigures

 * SpongeBob
 * Plankton
 * Robot SpongeBob
 * Robot Customer