[s1e12] The Defiant One -

: 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

You can find more detailed credits and episode synopses on platforms like IMDb or the SGCommand Wiki. : 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. You can find more detailed credits and episode