Charmed: It's A Bad, Bad, Bad, Bad World (Part 1)

Gideon pretends to return Chris to the future, but sends him, along with Leo, to a similar world which is ruled by evil forces. Phoebe and Paige attempt to rescue the two, but soon come face to face with their evil mirrors. Their trip has unforseen consequences for the regular world, and leaves Baby Wyatt unguarded against Gideon.