The Fourth Horseman (1)
Show: Stargate SG-1 --> Season: 9 - Season 9
AirDate: 9/16/2005
Runtime: 44
Voting: 8.1 (14)

Overview: Earth is infected with a deadly Ori plague, prompting an ally from SG-1's past to come to their aid. Gerak proposes that the Free Jaffa follow the Ori religion.
Don S. Davis
George Hammond
Gary Jones
Walter Harriman
Tony Amendola
Master Bra'tac
Lexa Doig
Dr. Carolyn Lam
Cameron Bright
Orlin
Tony Todd
Lord Haikon
William B. Davis
Damaris
Louis Gossett Jr.
Gerak
Ty Olsson
Jaffa #1