SpongeBob SquarePants S11E23 - Grandmum's the Word
SpongeBob SquarePants (1999)
S11E23 Grandmum's the Word
Episode Overview
Plankton boasts to his grandma that he’s the proud owner of the Krusty Krab, but when she decides to pay him a visit, he finds himself in a bind, needing to maintain the ruse.