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Zack sprains his knee before the big basketball game, and while in hospital learns that Lisa is a part-time candy-striper. However, he also learns that he will need surgery to repair his knee and worries that it may go wrong.
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