No Man's Land (Part 2)

After the Wraith betrayed the expedition (Allies), they head to Earth with McKay and Ronon. Meanwhile, Elizabeth must answer to the IOA because of her actions during the short-lived alliance, and Sheppard must stop the hive ships from reaching Earth, whatever the cost. This episode sees the first appearance in the show of Robert Picardo as Richard Woolsey, a character first seen in Stargate SG-1.