From Fear to Eternity

S1 E13: On the eve of another Friday the 13th, the sisters learn of a demon who kills witches after discovering their deepest fears. Now, he's after Prue since discovering her fear of water. Meanwhile, Phoebe wrestles with her conscience after discovering she'll have to lie for her boss while Piper lets the Friday the 13th superstition stay in the way of possible romance.