When SG-1 discovers what they believe to be the remnants of the Lost City of the Ancients - the originators of the Stargates - Stargate Command launches an investigation. A new team of explorers, headed by civilian Dr. Elizabeth Weir, travels to the distant Pegasus galaxy, where they discover an advanced but deserted city on the ocean floor, a group of nomadic humans and a deadly enemy that feeds on human fear! Actors: David Hewlett, Jason Momoa, Joe Flanigan, Paul McGillion, Rachel Luttrell, Special Features: Widescreen format. Language: English / Add. Portuguese, Spanish / Sub. French, Portuguese, Spanish, English Year: 2004 Runtime: 873 minutes.