Sheldon SquarePants
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While SpongeBob is playing checkers with Patrick, SpongeBob gets a call from his parents, who tell him that they have a surprise for him. The surprise ends up being Plankton being SpongeBob’s adopted brother. Plankton wants to use this as an opportunity for SpongeBob to tell him the Krabby Patty secret formula, but before SpongeBob can tell Plankton it, the two do various activities together to get to know each other more.
