Season 6, Episode 14 - "The Legend of Sleepy Halliwell"
7 February, 2004
The Charmed Ones help out Leo's mentor, Gideon, when he wants to find out who cast the spell of darkness over a magic school and conjured the Headless Horseman who has been beheading the teachers. Meanwhile, Phoebe goes on a vision quest and discovers who Chris really is.
