Charmed: Season 8, Episode 9
Hulkus Pocus (20 Nov. 2005)
Agent Murphy calls upon the sisters to help captured a demon who has been infected with a government created virus that causes magical beings to turn "Incredible Hulk." They have to find an antidote to the virus after Billie catches it.
Director:Joel J. Feigenbaum (as Joel Feigenbaum)