Stargate SG-1
The Sentinel
Season 5 Episode 20 of 22
O'Neill enlists the help of two military prisoners, who appear to be the team's only hope of saving Earth from being destroyed by the Goa'uld. Sci-fi drama, starring Richard Dean Anderson
Stargate SG-1 airs on Sky One HD at 8:00 AM, Wednesday 29 July. (Subtitles, repeat.)
Learn more about Stargate SG-1 and other movie/drama on our drama page
Topics
Movie ➝ Drama
Adventure
Science Fiction
Richard Dean Anderson
Actor
Amanda Tapping
Actor
Christopher Judge
Actor