Stargate SG-1 (1997–2007)
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Thor's Hammer 

1:13 | Trailer
SG-1 goes to the planet Cimmeria in search of allies against the Goa'uld. Upon arrival, Jack and Teal'c are trapped in a labyrinth, where the only exit is through Thor's Hammer, a device to... See full summary »


Brad Turner


Brad Wright (developed for television by), Jonathan Glassner (developed for television by) | 1 more credit »





Episode cast overview:
Richard Dean Anderson ... Colonel Jack O'Neill
Michael Shanks ... Dr. Daniel Jackson
Amanda Tapping ... Captain Samantha Carter
Christopher Judge ... Teal'c
Don S. Davis ... Major General George Hammond
Galyn Görg Galyn Görg ... Kendra
Vincent Hammond Vincent Hammond ... Unas
Tamsin Kelsey ... Gairwyn
James Earl Jones ... Unas (voice)
Mark Gibbon ... Thor


SG-1 goes to the planet Cimmeria in search of allies against the Goa'uld. Upon arrival, Jack and Teal'c are trapped in a labyrinth, where the only exit is through Thor's Hammer, a device to destroy Goa'uld, but preserve the host. Daniel Jackson must destroy the device that could someday have saved his wife in order to free his friends. Written by Anonymous

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Did You Know?


James Earl Jones, who provides the voice of the Unas, is best known as the voice of Darth Vader in Stars Wars. He is the only major Star Wars personality to have any involvement with the Stargate franchise. See more »


When SG-1 is getting ready to depart at the beginning of the episode, a F.R.E.D. is seen on the ramp in front of the Stargate while it is dialing. Because of the actual process of establishing a stable wormhole to another gate, an unstable vortex is first formed and "shoots" from the gate for a second. This F.R.E.D. would have been vaporized by the unstable wormhole as other people/equipment have been lost to this as well. See more »


Gairwyn: You're a little short for gods.
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Main Title
Written by Joel Goldsmith and David Arnold
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User Reviews

Probably the Best Episode So Far
2 April 2017 | by georgesepiclifeSee all my reviews

This is probably my favourite episode of the season so far, because of the significant plot developments, and because of how well the story nails all the characters. First of all, I love the idea of 'Thor' being in a sci-fi show, and it brings a refreshing spin on Norse mythology. I can tell that this is a very important episode, and I am really looking forward to see how this story will develop. I loved how the episode paired O'Neill and Teal'c together, because I think they have great chemistry, and there were some really funny scenes between them. I can say the same thing for Daniel and Carter, who also work well together. It isn't a perfect episode, with the main negative being more of a personal one - I thought the monster was a little stupid looking, and I expected it to be bigger antagonist in upcoming episodes, but it was killed off very quickly which seemed slightly anticlimactic. I also thought that the pacing was a bit off near in the middle, where the story rapidly cuts between Teal'c/O'Neill and Daniel/Carter a bit too much that it was distracting. But all the plot development more than made up for those small nitpicks, and I am especially intrigued with the woman who was able to have her Goa'uld removed safely. I liked how Sha're and Skaara were mentioned again, and how they were linked into the story. Overall, a fine episode and one that continues to a very solid streak of episodes.

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Release Date:

26 September 1997 (USA) See more »

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Technical Specs


Sound Mix:




Aspect Ratio:

16 : 9
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