Charmed Season 1 Episode 22 : Deja Vu All Over Again

As a warlock makes plans for his attempt to kill the Charmed Ones, he receives a visit from Tempus, a demon who will turn back time until the warlock succeeds in killing all the sisters. Meanwhile, because of the endless loop, Phoebe has a number of strong cases of dejà vu, and she even sees Andy's death at the hand of a warlock.