During a failed experiment, Samantha is transported into a parallel universe where she cloaks Earth to save it from an Ori Attack. Getting back to her own universe is not met with sympathy.



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Episode cast overview, first billed only:
Dr. Daniel Jackson (credit only)
Billy Mitchell ...
Lisa Bayliss ...
Senator's Wife
Travis Woloshyn ...


After an experiment to increase the range of Merlin's device goes terribly wrong, Sam has an accident which transports her to a parallel universe, where SG-1 has a very different composition, since history was changed by a failed attack by one Ori ship... and a whole fleet is expected soon. She insists upon abandoning the -killed- parallel Carter's line of work and pursues hiding the entire parallel Earth. It works! Even when the Ori fire at their position, nobody is hurt. The parallel Hank Landry is President, and three years prior had imposed permanent Martial Law. The more Carter learns about the perversion of civil liberties, the more she shifts her efforts, even when rewarded by a post as Presidential Defense Adviser, to restoring them, but thus incurs the active wrath of those in power who are eager to remain so. Time to get back, but how? Written by KGF Vissers

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Release Date:

27 April 2007 (USA)  »

Company Credits

Show detailed on  »

Technical Specs

Sound Mix:

(Dolby 5.1)

Aspect Ratio:

16 : 9
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Did You Know?


The Stargate theme music can be heard in the background at the cocktail party Sam attends. See more »


In the alternate reality Cameron Mitchel is confined to a wheelchair but his apartment has no disabled access. See more »


Dr. Rodney McKay: How can I help you?
Lt. Col. Samantha Carter: Well, this is going to come as a bit of a shock, but I'm not who you think I am.
Dr. Rodney McKay: Oh my God, you're a lesbian! Is that what you're trying to tell me?
See more »


Main Title
Written by Joel Goldsmith and David Arnold
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User Reviews

Another Diversion
12 October 2015 | by (United States) – See all my reviews

While it's a decent alternate reality episode, Road Not Taken is yet another diversion off the road of the main Ori story. But the show had to save money; somehow after a few big effects episodes.

Sam goes off into an alternate reality where Landry is a full, big government leftist President. He's been suspending freedoms not just in America but all over the world, in the name of security. The big government needs heroes for the people. So when alternate reality Sam 1 (I thought there were no fish) hides the world from the Ori, President Landry wants to use her.

Sam becomes too much trouble, so President Landry has their Rodney McKay, a rich business man conscripted to serve in Sam's place, send her home.

There's a look at what happens if people make the wrong decisions that make government too big and powerful. But there's no real progress towards a resolution to the Ori story. It's an unnecessary side trip delivering a simple message.

Before Sam departs, she gives Rodney Kirk's "you can change things" speech from "Mirror Mirror".

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