Playback serverIf a title won’t play, switch servers.
Stargate Atlantis
Season 4 · Episode 4
Doppelganger
7.343mOctober 18, 2007
During an off-world mission Colonel Sheppard unknowingly becomes host to an alien entity, which infects others in Atlantis and afflicts them with terrifying nightmares.
Episodes
- Episode 1Adrift (2)
- Episode 2Lifeline (3)
- Episode 3Reunion
- Episode 4Doppelganger
- Episode 5Travelers
- Episode 6Tabula Rasa
- Episode 7Missing
- Episode 8The Seer
- Episode 9Miller's Crossing
- Episode 10This Mortal Coil (1)
- Episode 11Be All My Sins Remember'd (2)
- Episode 12Spoils of War
- Episode 13Quarantine
- Episode 14Harmony
- Episode 15Outcast
- Episode 16Trio
- Episode 17Midway
- Episode 18The Kindred (1)
- Episode 19The Kindred (2)
- Episode 20The Last Man (1)