When it left the air for good in 2009, Stargate Atlantis was firing on all cylinders — and it still had plenty of ZPM fuel left in the tank. The show’s fifth and final season ended with the ...

"Stargate: Atlantis" was known for its cameos and cross-overs with "SG-1." The Stargate Universe series has followed suit with cameos of several main cast members from the original series.

Stargate Atlantis almost got a direct-to-DVD sequel movie titled Stargate: Extinction, which would've taken the Atlantis crew on a wild new adventure.