Stargate SG-1 (1997–2007)
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The Sentinel 

To fix a mistake caused by the fake SG team, the real SG-1 must enlist the help of two convicts. The threat of an approaching Goa'uld mothership stresses the repair of the Sentinel.

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(developed for television by), (developed for television by) | 1 more credit »
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Cast

Episode cast overview:
... Colonel Jack O'Neill
... Dr. Daniel Jackson
... Major Samantha Carter
... Teal'c
... Major General George Hammond
... Marul
... Colonel Sean Grieves
... Lieutenant Kershaw
... Lieutenant Grogan
... Sgt. Walter Harriman
... Major Lawrence
Shawn Reis ... Jaffa Commander
... Assistant (as Carrie Ann Fleming)
Chris Newton ... Caretaker
... Caretaker (as Chris Newton)
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Storyline

SG-1 is sent to planet Latona, which is under attack from Goa'uld system lord Svarog because its Ancient defense system, the Sentinel, stopped working after Maybourn's rogue NID team secretly assembled and reassembled it. Colonel Sean Grieves and his rude assistant, lieutenant Kershaw, are taken from death row to join the rescue mission to repair it and/or evacuate the Latonians. Planetary leader Marul refuses to accept facts, despite the rule of terror already being installed by a Jaffa battalion, even when Svarog's starship arrives and Jack insists it's time to leave with or without the Latonians, claiming the Guardian must be alive and alert as a flame signifies. When Sam joins the repair team, which Daniel helped pass the ingenious protection field, the gruesome story of how the NID thieves got to it the first time proves crucial. Written by KGF Vissers

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Release Date:

3 May 2002 (USA)  »

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| (Dolby 5.1)

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16 : 9
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Did You Know?

Trivia

Christina Cox (Lieutenant Kershaw) was not previously in the episode Stargate SG-1: Shades of Grey (2000) and so the reaction shot of her at the beginning (when General Hammond arrests them) had to be added in. See more »

Goofs

When Lt. Grogan reports to Hammond, he identifies himself as 'Sergeant' Grogan. See more »

Quotes

Colonel Sean Grieves: I'll say it again, I don't like the idea of going into this unarmed.
Colonel Jack O'Neill: And... I don't care.
Lieutenant Kershaw: I feel better just knowing there's an archaeologist watching our backs.
Dr. Daniel Jackson: [holds up a knife] Yeah, which end do the bullets go in again?
Colonel Sean Grieves: I'd be happy to show you.
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Connections

Featured in Stargate SG-1: Disclosure (2003) See more »

Soundtracks

Main Title
Written by Joel Goldsmith and David Arnold
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User Reviews

continuity error- Grogan
23 May 2008 | by See all my reviews

At the beginning of this episode, Hammond calls over the radio through the gate to his people on the planet. The person that responds is identified as "Sergeant" Grogan. I thought he looked and sounded like one of the guys in "Proving Ground", but I was sure those four were all supposed to be Academy graduates, meaning they would be 2nd Lieutenants. I checked the credits on here and it's the same actor, same character, but on here the character is credited in both episodes as Lt. Grogan. Haven't checked the credits on the actual episode, I'm still in the middle of watching it :) But there's a continuity error- they call him Sgt. but he is a Lt.


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