Season nine of Stargate SG-1 began airing on July 15, 2005 on the US-American Sci Fi Channel. The ninth season concluded on March 10, 2006, after 20 episodes on the same channel. Claudia Black appeared a recurring role in eight episodes. The ninth season begins with Major General Henry Landry having assumed command of Stargate Command, and newcomer Lt. Colonel Cameron Mitchell trying to get the SG-1 team back together after the events of the eighth season. The season arc centers around the new threat of the Ori, a race who Dr. Daniel Jackson and Vala Mal Doran unleash in an unknown galaxy, and who are threatening a crusade into the Milky Way galaxy to convert the beings to their religion, called Origin.