The thrilling Stargate: SG-1
spin-off, Stargate: Atlantis,
is set in the lost city of Atlantis in the Pegasus Galaxy, built millions of years ago by the most advanced race in the Stargate Universe. Season 3's (2006-7) 20 episodes brim with adventure, throwing wild new challenges weekly at the ensemble cast: Joe Flanigan
(Lt. Col John Sheppard); David Hewlett
(Dr. Rodney McKay); Torri Higginson
(Dr. Elizabeth Weir); Rachel Luttrell (Teyla Emmagan); Jason Momoa (Ronon Dex); Paul McGillion (Dr. Carson Beckett); and Mitch Pileggi
(Col. Steven Caldwell). Executive-produced by Brad Wright and Robert C. Cooper, the five-disc DVD set is flooded with bonus features including audio commentaries for 19 episodes, many behind-the-scenes featurettes, and photo and production design galleries.