SpongeBob SquarePants - Season 8 Episode 8 : Frozen Face-Off

SpongeBob and the gang, including Patrick, Mr. Krabs, Squidward, Sandy Cheeks, Plankton and Karen, and Gary, participate in a sled worm race for one million dollars. However, just before the race begins, Plankton sneaks off to the Krusty Krab and uses a robot as his replacement in the race. Plankton goes inside the Krusty Krab to steal the Krabby Patty formula, while the group must keep a yeti, who is attacking them, away.