Sabrina, the Teenage Witch is an American sitcom based on the Archie comic book series of the same name. The show premiered on September 27, 1996 on ABC to over 17 million viewers in its "T.G.I.F." line-up. The show stars Melissa Joan Hart as Sabrina Spellman, an American teenage half-witch who, on her sixteenth birthday, discovers she has magical powers. She lives with her 600-year-old aunts, European witches Hilda and Zelda, and their magical talking cat Salem in the fictional town of Westbridge, Massachusetts through most of the series. The series' first four seasons aired on ABC from September 27, 1996 to May 5, 2000; the final three seasons ran on The WB from September 22, 2000 to April 24, 2003.