Overview: Buffy's biology teacher is killed by a giant praying mantis that assumes the form of a beautiful substitute teacher.
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First Air Date: Mar 10, 1997Last Air date: May 20, 2003Season: 7 SeasonEpisode: 144 EpisodeRuntime: 48 minutesQuality: HDIMDb: 8.10 / 10 by 1697 usersPopularity: 134.693Language: English