Set your clocks Stargate fans, tonight is the premier of the spin-off, Stargate Atlantis.
Atlantis follows the adventures of the Stargate Atlantis team, which is formed after a secret base, abandoned by the original builders of the Stargates, is found buried in the ice of Antarctica. Their discovery leads to a daring expedition to the distant Pegasus galaxy, where they encounter a primitive human civilization and a sinister new enemy that threatens human life everywhere. [IMDB]
Stargate Atlantis kicks off at 9/8c on Sci-Fi Channel.