Giles originally forbids Buffy from joining the cheerleading squad, arguing it's a "cult" and a distraction from her sacred duty as the Slayer.
Buffy and the "Scooby Gang" initially suspect , a fellow cheerleader hopeful, of using dark magic to eliminate her competition. The investigation eventually reveals that Amy’s mother, Catherine Madison , is the true witch. Driven by an obsession with her past "glory days," Catherine used a spell to switch bodies with her daughter to relive her youth. [S1E3] Witch
For a deeper look into the episode's plot and character development, check out this review: Giles originally forbids Buffy from joining the cheerleading
Buffy tries to reclaim a sense of normalcy by trying out for the . However, the tryouts take a supernatural turn when several competitors are hit by bizarre, dangerous accidents, including spontaneous combustion and sudden blindness. Driven by an obsession with her past "glory
After Giles successfully reverses the spell, Catherine is trapped inside a cheerleading trophy in the school's hallway.