"Enemy at the Gate" serves as the series finale for Stargate Atlantis (Season 5, Episode 20), featuring a desperate battle against a Wraith Super-hive threatening Earth. The 100th episode concludes with the city of Atlantis landing in the San Francisco Bay, honoring the late Don S. Davis with the renaming of a ship. For a full overview, visit the Stargate Wiki page .

"Stargate: Atlantis" Enemy at the Gate (TV Episode 2009) - IMDb