Kill Billie: Vol. 2 Charmed : Season 8 Episode 21

TV-14 The WB 42m int(0)

Aired: May 14th, 2006 @ 8:00 PM EST on The WB

Forced to hide from Billie and Christy, the Charmed Ones find themselves stuck in the Underworld. Meanwhile, Leo appears to Piper and offers demonic approval; Coop searches for Phoebe; Billie & Christy resort to summoning the Hollow to stop the Charmed Ones and the Charmed Ones do the same.