Plankton's Grandma is a fictional character portrayed by Laraine Newman in the TV series SpongeBob SquarePants.
In the first episode they appeared in, titled Gramma's Secret Recipe/The Cent of Money (season 7), they were 58 years old.
They appear in 3 episodes out of a total of 297 aired so far
Episodes3
Gramma's Secret Recipe/The Cent of Money
episode S7.E13 july 2010Plankton disguises himself as SpongeBob's grandmother.Mr. Krabs uses Gary to find spare change.Fun-Sized Friends/Grandmum's the Word
episode S11.E13 february 2018SpongeBob and Patrick exchange tiny living versions of themselves. Plankton lies to his grandma, telling her that he owns the Krusty Krab to fulfill a promise he made, but must keep the lie going when she comes to visit.My Leg!/Ink Lemonade
episode S11.E16 may 2018Once Fred's leg heals up, SpongeBob is determined to keep it out of harm's way. Patrick's lemonade stand is unsuccessful until he gets a secret ingredient from Squidward.
- Gramma's Secret Recipe/The Cent of Money
- Fun-Sized Friends/Grandmum's the Word
- My Leg!/Ink Lemonade