
Aired Thursday 23 May,
3:00pm - 4:00pmon Sky Mix
Stargate Atlantis
Series 4 Episode 4: DoppelgangerSheppard encounters a crystalline species similar to one that Jack O'Neill encountered ten years ago, but this time around it's different, the alien entity is evil and invading the team's nightmares in a bid to destroy the rest of the expedition.
- Category
- Adventure / Science fiction
- Original air date
- 19/10/2007
Cast and crew