Single Cell Anniversary

"Single Cell Anniversary" was an episode of SpongeBob SquarePants from season six. In this episode, Plankton gets a gift to his computer wife Karen.

Characters

 * SpongeBob SquarePants
 * Sheldon J. Plankton
 * Karen
 * Sandy Cheeks (cameo)
 * E.M.I.L.P (first and only appearance on SpongeBob SquarePants)
 * Patrick Star
 * Squidward Tentacles