SpongeBob SquarePants S04 E04 Krabs vs. Plankton

"Be there and be square!"

Plankton tries to steal the formula, but slips and sues Mr. Krabs. Mr. Krabs hires a lawyer, but his lawyer slips and is hurt, so SpongeBob must try to help Mr. Krabs win the case by trying to open a briefcase that has something very important in it.