The Fourth Horseman (2)

As the Ori plague spreads rapidly, SG-1 hopes that the Prior who caused the disease may hold the key to its cure. Gerak tries to rally the Jaffa to the Ori's cause, prompting Teal'c and Bra'tac to initiate a resistance.

Episode information and air dates are supplied by TMDB. CineSrc playback availability can change and is not guaranteed.