My Parents Are Aliens (1999) : 7x5

After CJ nearly chokes on a gobstopper, Brian decides to learn some first aid in order to keep the family safe. After injuring the school nurse, he morphs into the replacement and Mr Whiteside falls in love with him. Josh meets a girl but when he realizes that she is a psycho, pretends to be gay, going out with Pete until he finds out that she is rich. Lucy tells the girls in her class that she wants to get her nose pierced making her instantly popular... until she reveals that her piercing is a fake! Because of this piece of metal she goes from −100 to hero...and straight down again!!