Charmed

From Fear to Eternity (1x13)

Air date: Feb 10, 1999

The sisters' mother warns them about a demon from the underworld who comes around every 1300 years on Friday the 13th to literally scare witches to death and feed on their fear. Meanwhile, Phoebe has misgivings about her expected duties at a new job and Piper's is frustrated by her superstition about relationships started on Friday the 13th.