Stargate Atlantis Season 4
The fourth season’s premiere (Adrift) picks up seconds after the events of First Strike, the season 3 finale. Torri Higginson and Paul McGillion are no longer regulars in season four, and Amanda Tapping joins the cast, carrying the role of Colonel Samantha Carter over from Stargate SG-1.

Stargate Atlantis promo photos (360 pictures, 333Mb, 5 galleries)
Season 1 Stargate Atlantis 53 photos
Season 2 Stargate Atlantis 194 photos
Season 3 Stargate Atlantis 34 photos
Season 4 Stargate Atlantis 32 photos (this post)
Season 5 Stargate Atlantis 47 photos