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Saved by the Bell
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Revealing mistakes (1)
Plot holes (1)
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Revealing mistakes
The edge of the set is visible as the nerds leave Belding's office, exposing Zack in the hallway before he enters the room.
Plot holes
It isn't necessary for Screech to wear a blond wig to pretend he's Zack to Penny since she never met Zack before.
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