Season: 10

Original Airdate: July 28, 2006

Writer(s): Brad Wright

Director(s): Will Waring

Guest Stars
Sarah Strange as Morgan Le Fay
Torri Higginson as Elizabeth Weir
Joe Flanigan as Lt. Col. John Sheppard
David Hewlett as Dr. Rodney McKay
Matthew Glave as Col. Paul Emerson
Chelah Horsdal as Lt. Womack
David Nykl as Dr. Radek Zelenka
Gary Jones as Sgt. Walter Harriman
Chuck Campbell as Atlantis Technician
Matthew Walker as Moros/Myrddin/Merlin

Synopsis: An Ascended Ancient breaks her vow of non-interference to give Daniel vital information that could make the difference in the fight against the Ori. Meanwhile, the rest of SG-1, along with the crew of the Odyssey and Dr. Rodney McKay, work on a daring plan to prevent the Ori from using their Supergate.