SpongeBob SquarePants S08 E34 Fiasco!

"Be there and be square!"

Squidward discovers a piece of art by an artist named "Fiasco", and Mr. Krabs decides to use it as an attraction to his customers at the Krusty Krab. But soon after, Plankton steals it, believing he can reverse engineer the Krabby Patty formula from it.