SERIES FINALE -- PIPER USES TIME TRAVEL TO UNDO THE MANOR TRAGEDY AND SAVE HER FAMILY -- After the Manor explosion, Piper (Holly Marie Combs) refuses to accept Phoebe's and Paige's deaths. Billie (Kaley Cuoco), horrified by what happened, turns on Dumain, while Piper travels through time with family help to change the outcome. Phoebe (Alyssa Milano) and Paige (Rose McGowan) survive, Christy is defeated, and the Halliwells move forward into their futures. Guest stars include Jennifer Rhodes, Finola Hughes, Drew Fuller, and Wes Ramsey. Bryan Krause also stars. TVPG