Buffy: Natalie French, the substitute biology teacher? Buffy: Virgins? Cut to Angel. For a bug? It's gonna be okay. Natalie: ...to fertilize them. Natalie: The praying mantis is a fascinating creature. She turns to Buffy and they smile. Spread out. The vampire runs off. Xander: Eggs? Xander: Who's that?
Plan: A: Xander; Q: Who is smitten by the substitute biology teacher? A: cover; Q: What do vampires run for when they see Ms. French? A: Angel's warning; Q: What gives Buffy a vital clue? A: Buffy; Q: Who rescues the virgin male students? A: the virgin male students; Q: Who does Buffy rescue from the giant praying mantis? A: Xander-chosen; Q: Who is chosen to fertilize the creature's eggs? Summary: Xander is smitten by the substitute biology teacher, Ms. French , who turns out to be a giant praying mantis terrifying enough to make vampires run for cover. Angel's warning gives Buffy a vital clue and she rescues the virgin male students-including Xander-chosen to fertilize the creature's eggs.