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A prank in a high school science class goes terribly awry, injuring a teacher and several students. Hathaway discovers Meg's drug addiction. Weaver and Greene notice Lawrence gets easily confused.
First Air Date : Sep 19, 1994
Last Air date : Apr 02, 2009
Episode : 331 Episode
Season : 15 Season
Runtime: 45:14 minutes
Studio: NBC
Country: United States of America