House Call - S5-E13
Trivia: The house used as Katrina's residence was also used in season 8 of Beverly Hills, 90210 as Carly Reynolds' house.
Trivia: Between seasons four and five, Rose McGowan had dyed her hair red in order to play Ann-Margret in a TV biopic about Elvis Presley. The issue of Paige's hair color was explained as a goof-up while mixing potions.
Trivia: Although it was never intended, this episode served as the inspiration for Mermaid, the pilot of a spin-off series. The pilot was produced concurrently with "Something Wicca This Way Goes", but was never picked up.
Chosen answer: Her agent/manager negotiated a special billing as part of her contract. It distinguishes her from the rest of the cast, probably when she became a producer on the show.
JC Fernandez