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After Zack breaks the school's video camera, he and the gang pretend Screech is an alien in order to win a photo competition. However, their picture soon arouses government suspicion.
First Air Date : Aug 20, 1989
Last Air date : May 22, 1993
Episode : 86 Episode
Season : 4 Season
Runtime: 23:14 minutes
Studio: NBC
Country: United States of America