With a new commander of the SGC comes a new leader of SG-1, Lt. Col. Cameron ...
Stargate SG-1
Season 9 Episode 2: Avalon: Part 2
Upon finding Merlin's testing grounds, Dr. Jackson, Teal'c, Col. Mitchell, and Vala uncover the hidden treasure including a book that tells the story of the Ancients coming to Earth from another galaxy and a strange alien device.