"The Witch"

At the beginning of this episode, Buffy is having an identity crisis and decides to try out for chearleader. At the tryout, Buffy meets a girl named Amy who is under a lot of pressure from her mom to make the squad. During the tryout a girl's hands start smoking so Buffy was obligated to put them out. When Amy leaves, Willow says it's a lot more than pressure and that Amy's mother is really mean. Neither Amy nor Buffy is chosen as part of the regular squad but they both become alternates. Amy is distraught when she is only chosen to be third alternate with Buffy as first alternate.

In some weird attic with a cauldrom, someone is casting spells with dolls. The next day Cordelia goes temporarily blind while taking her driving test. Giles thinks Amy's a witch, but the only way to prove it is to form a potion and pour it on her -- if her skin turns blue, she is a witch. (Kinda like a pregnancy test.)Buffy, Xander and Willow join forces to test this theory in chemistry class, and Giles is proven correct. Then another cheerleader has a mysterious accident, and when Amy reacts to it with horror, it makes Buffy doubt whether Amy realizes what she's doing. Amy comes home in a huff to find her mother on the couch watching TV. She tells her mother to write her history report. You see Amy holding the ID bracelet that Xander gave Buffy and you realize that Buffy is the next victim.

As first alternate, Buffy is now on the cheerleading squad, and starts acting strangely during practice. When she tosses another cheerleader across the room, it's time for the next alternate to come in who of coarse is Amy. Buffy suddenly becomes weak, and Giles says the only way to keep her from dying is to get Amy's spell book. Willow and Xander stay at school to keep an eye on Amy. Giles and Buffy force their way into Amy's house, and Buffy discovers that the woman they're speaking to is not really Amy's mother but Amy herself. The mother switched their bodies so she could relive her glory days as a cheerleader. (This is sad a almost corny.) Giles finds the spell book, and they all troop off to school, where "Amy" is getting ready to cheer. As Giles chants, "Amy" becomes weaker as the transformation begins. "Amy" charges out of the gym to find Buffy and kill her. Just as she’s about to get her, the transformation is complete. "Amy" is now the real Amy, and the mother goes berserk. She starts to cast an evil spell on Buffy, but Buffy deflects it with a mirror and sends it back to the mother, who disappears. (Another sad...corny part but don't worry, they get better.)Everything seems to be back to normal, until we catch a glimpse of the mother's cheerleader trophy in a school display case. Its eyes just happen to be moving.