When the series finished its fourth season, several secondary characters left the show, including Martin Mull and Nate Richert. Richert, who played Sabrina 's boyfriend Harvey since the first season, was cut in order to give the show a more "grown - up look '' as Sabrina was about to attend college. The decision was later rescinded, and Richert appeared in three episodes of season five and then returned as a series regular in season six and seven.
when does harvey come back in sabrina the teenage witch
season five