: The episode is the first to explicitly identify the Ancients as the "Lanteans" .
: The planet features yellow, firefly-like energy beings similar to those seen in the Stargate SG-1 episode "Prodigy". [S1E12] The Defiant One
While exploring a Lagrangian point satellite —an Ancient defense system located deep in space—Major John Sheppard and Dr. Rodney McKay intercept a distress signal from a nearby planet. Upon investigation, they discover a crashed that has been down for 10,000 years. : The episode is the first to explicitly
is the 12th episode of the first season of Stargate Atlantis . In this episode, a mission to investigate an ancient weapons platform turns into a desperate survival situation against a long-dormant enemy. Plot Summary Rodney McKay intercept a distress signal from a
: The Ancient satellite discovered is roughly the size of a Goa'uld Mother Ship. Main Cast Joe Flanigan Major John Sheppard David Hewlett Dr. Rodney McKay Christopher Heyerdahl The Wraith Survivor Richard Ian Cox Dr. Brendan Gall Boyd Banks Dr. Abrams