Giles and Willow run back into the classroom, and Buffy follows, closing and locking the door behind her. Kyle and his cronies approach him. Lance: But I think it's off-limits. Xander, Kyle and the others look at them. Xander: Girls! Zookeeper: The zoo imported those hyenas from Africa.
Plan: A: the zoo; Q: Where did Xander and his friends sneak into the hyena habitat? A: Xander; Q: Who was infected by the evil demon spirit? A: four; Q: How many other students sneak into the hyena habitat? A: the spell; Q: What did Buffy, Giles, and Willow reverse? Summary: At the zoo, Xander and four other students sneak into the off-limits hyena habitat and become infected by an evil demon spirit. Xander and his pack grow more and more feral until Buffy, Giles, and Willow reverse the spell.