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When Dexter has an unusually productive day, his computer informs him that it's because Dee Dee is nowhere near the lab. Eavesdropping on Dee Dee playing in her room, Dexter suspects that she is plotting against him. Dexter shrinks himself down to doll size to spy on her, despite his computer's warning that the shrink ray could cause him to hallucinate. When Dee Dee finds Dexter and makes him join her game, he begins to lose his perspective. (Original air date: December 4, 1996.)