Stargate Atlantis: Season 1 - Region 31399

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!