Charmed

Season 6, Episode 16

Episode Title: The Courtship of Wyatt's Father

Air Date: 2004-02-22

Overview:

Gideon makes a deal with the Darklighters to get rid of Leo, but they accidentally send Leo and Piper to the Ghostly plane, leaving Phoebe and Paige to believe that they are both dead. Meanwhile, Chris begins to disappear and reveals that he must be conceived before the night is over or he will vanish forever.