Rodney McKay (David Hewlett) still the most entertaining of the bunch; as the series explores the characters' personal lives and backstories, we even meet (in "McKay and Mrs.
com With Stargate SG-1 now permanently off the data screen (except for a TV movie or two) after ten productive seasons, it appears that the fate of the universe is now the responsibility of the Stargate Atlantis crew. Col. Miller") the latter's sister, who's every bit the wiz that he is. We already knew that they feed on humans, but this season brings some startling new revelations, particularly in "Common Ground," an excellent episode that finds Sheppard and a Wraith (Christopher Heyerdahl) forming an unlikely alliance against a mutual enemy; we also witness the return of the Wraith known as Michael (Connor Trinneer), who was the subject of the Atlantis team's ongoing "retro-virus" experiment (designed to make Wraiths human) in Season Two and plays a significant recurring role in Season Three.