SpongeBob SquarePants
Sharks Vs. Pods / Copybob Dittopants
S9 E20:
The Sharks are thought to be the toughest guys in town, but their next confrontation may be too much for SpongeBob; Plankton clones SpongeBob in order to steal the Krabby Patty secret formula, but the original SpongeBob may ruin his plans.