Tags: Television Season.
The fourth season of Charmed an American supernatural drama television series began airing on October 4 2001 on The WB. Airing on Thursdays at 9 P.M. the season consisted of 22 episodes and concluded its airing on May 16 2002.This season also saw the introduction of Rose McGowan as Paige Matthews – half-sister to Prue Piper and Phoebe – and a slight alteration of the opening sequence due to the third season departure of Shannen Doherty as Prue.Warner Bros.