: The episode is the first to explicitly identify the Ancients as the "Lanteans" .
The team finds that a single Wraith survivor has remained alive for millennia by entering hibernation and periodically feeding on the ship's cargo of hibernating humans. This "Defiant One" is significantly stronger than typical Wraith due to its desperate survival tactics and is eventually able to seize control of the team's Puddle Jumper . [S1E12] The Defiant One
: This episode is noted for Dr. McKay's growth; he chooses to join the fight alongside Sheppard rather than staying in safety. : The episode is the first to explicitly
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. : This episode is noted for Dr
: The planet features yellow, firefly-like energy beings similar to those seen in the Stargate SG-1 episode "Prodigy".