PG certificateStargate SG-1 is a Science Fiction Series programme that first aired in 1997 and has been classified a PG certificate.

Sentinel is a 4/5 star episode.
4 star rating
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Stargate SG-1: Sentinel

Series 5, episode 20

Written by
Directed by
Peter DeLuise

Originally Aired On: Friday, 03 May 2002

Episode Rating: 4 star rating

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

Cast

Image for Richard Dean AndersonRichard Dean Anderson...Col. Jack O'Neill
Image for Michael ShanksMichael Shanks...Dr. Daniel Jackson
Image for Amanda TappingAmanda Tapping...Major Samantha Carter
Image for Christopher JudgeChristopher Judge...Teal'c
Image for Don S. DavisDon S. Davis...Major General George Hammond
Image for Corin NemecCorin Nemec...Jonas Quinn
Frank Cassini...Col. Sean Grieves
Image for Christina CoxChristina Cox...Lt. Kershaw
Carrie Fleming...Assistant
Image for Henry GibsonHenry Gibson...Marul
Image for Gary JonesGary Jones...Sgt. Walter Harriman
David Kopp...Lt. Grogan
Colin Lawrence...Major Lawrence
Chris Newton...Caretaker
Shawn Reis...Jaffa Commander