After Daniel Jackson receives visions of an artifact that can end the war with the Ori in one strike, SG-1 decide to travel to the Ori galaxy in the hope of locating the device before their ship is annihilated by the massed army of the Ori. The Ark needs to be used on just one Prior to instantly strip Adria (who succeeded the Ori killed by the Sangraal) of her power, and one was stupid enough to waltz straight into Stargate Command and let himself be captured. It's a simple plan, nothing can possibly go wrong, right?
Wrong! Thanks to IOA agent James Marrick, who almost dooms both galaxies by an untimely release of a Replicator on the Odyssey. That, as well as the fact that the one definite weakness of the replicators they had (Ancient-infused O'Neill's disruptive wave generator gun) was programmed out of its system.
But other than that everything's going exactly according to plan.
The movie was followed by a second SG-1 movie, Stargate Continuum.
This film provides examples of the following tropes:
- And Starring: Michael Shanks continues to be credited as "And Michael Shanks as Daniel Jackson", as he had been since Season 7.
- Big Bad: Adria, who has become the leader of the Ori after the previously ascended all died.
- Call-Back: Near the end of the movie, Sam visits an injured Cam in the hospital and brings him macaroons. This is a call back to the end of Line in the Sand where Cam brings macaroons to an injured Sam (who turns out to hate the cookies.)
- When entering the Supergate, there is a shot of SG-1 passing through the event horizon and being broken down for travel. The camera focuses on Daniel Jackson, and the scene mirrors his first journey through the Stargate, where he was also being de-integrated, in the first film.
- Among the first things Cam says upon taking command of the Odyssey is "Weapons to maximum," clearly making an in-character reference to the episode 200.
- Circling Monologue: Adria again.
- Clipped-Wing Angel: Replicator Marrick's final form goes down without a fight due to Samantha Carter and the other SGC members managing to activate the self-destruct code for the replicators on the ship at the last possible second.
- Continuity Overlap: The film opens shortly after the end of SG-1, but is set just before the Stargate Atlantis Season 3 finale "First Strike".
- Cosmic Deadline
- Determinator: After being badly wounded and left for dead, Teal'c walks miles from a forest, over several mountains, to the city of Celestus to save Daniel and Vala.
- Deus ex Machina: The Ark itself, implausibly convenient and never mentioned in the show before. Of course, the plotline was supposed to be a complete new season, but then the show got canceled. That might explain why they easily found an artifact they were supposed to look for during 15 episodes or so. The nature of it is also justified, as SG-1 was led to the Ark by an ascended being, the closest thing this series has to a god, and mass brainwashing the Ori followers was the simplest way to end the war.
- Distant Prologue
- Drama-Preserving Handicap: Each time the Odyssey is surrounded by the Ori and being blasted, rather than shoot back with their Asgard beam weapons, which had previously been shown to be capable of destroying an Ori ship in a few shots, the Odyssey crew is currently busy with some other crisis happening within the ship.
- Early-Bird Cameo: This one's an interesting case. Stargate Atlantis character Colonel Abraham Ellis and the Apollo have a brief cameo as the SGC mobilizes for the Ori armada's invasion of the solar system. Ellis first appears in the Atlantis' Season 3 finale, "First Strike", which was filmed about the same time as the DTV. However, while The Ark of Truth didn't come out until a year later, it's set before Ellis arrives at Atlantis. So from a chronological standpoint, it is an early-bird cameo.
- Flash Back: The very first scene, and then an additional one along the way.
- Grand Finale: Since the series was canceled without a chance for a proper one.
- HeelFace Brainwashing: What the Ark of Truth ultimately can do. The ethical problems of it are raised, but ignored due to lacking a better option.
- Heroic Second Wind: Teal'c demonstrates just how badass he truly is by traveling what's implied to be hundreds of miles, on foot, with a near-fatal back wound, to the City of Celestis.
- Hoist by His Own Petard: IOA Agent James Marrick recreates a Replicator, hoping to use it as a weapon against the Ori, much to the dismay of SG-1. He is later consumed by the Replicators and turned into a Meat Puppet.
- I Cannot Self-Terminate: Replicator Marrick wishes to have his life ended but cannot do it himself due to being a Meat Puppet for the Replicators.
- Idiot Ball: Seriously, IOA, what the hell were you thinking when you came up with the whole Replicator idea?
- Instrumental Theme Tune: Mostly carried over from the original movie, but with a new ending.
- Leitmotif: Naturally, the SG-1 theme is reused by composer Joel Goldsmith. However, thanks to the larger budget, he was able to do David Arnold's full Stargate overture (though Ra's theme is swapped out for the Ori theme) for the first time since the original movie.
- Other leitmotifs carried over from the series include the themes for the Ori, Mitchell, the Ascension theme, and the Replicators.
- MookFace Turn: Tomin, and then the Doci when exposed to the Ark, and all Priors.
- The Movie
- My God, What Have I Done?
Teal'c: One day others may try to convince you they have forgiven you. That is more about them than you. For them, imparting forgiveness is a blessing.
- The Doci after being exposed to the Ark.
- Doci (in Ancient) "Forgive me, I was blind, but now I see."
- Tomin earlier in the movie, leading to a moment with Teal'c, whose backstory is very similar to Tomin's.
Tomin: How do you go on?
Teal'c: It is simple. You will never forgive yourself. Accept it. You hurt others, many others. That cannot be undone. You will never find personal retribution. But your life does not have to end. That which is right, just, and true can still prevail. If you do not fight for what you believe in, all may be lost for everyone else. But do not fight for yourself. Fight for others, others that may be saved through your effort. That is the least you can do.
- The Doci after being exposed to the Ark.
- No-Holds-Barred Beatdown: Replicator!Marrick to Mitchell.
- Oh, Crap!: Mitchell and Carter when they see Marrick made a Replicator.
- Outrun the Fireball: Done so over the top it looks like a parody, which it probably was. Simultaneously subverted by Replicator Marrick being charred to a husk.
- Reverse Psychology: Daniel uses it to get Tomin's Prior to open the fake Ark.
- At least to Star Wars ("Millions of years ago, in a distant galaxy...")
- And Terminator, complete with Suspiciously Similar Song to the theme music (the "skeleton" of Replicator Marrick).
- And then there's the first actual order (see Call-Back above) Cam issues upon taking command of the Odyssey: "Make it go."
- The majority of the film could be see as a downplayed Whole Plot Reference to Star Trek: First Contact, given that the team is split in half for a good chunk of its run. Specifically, Sam and Cam dealing with the Replicators infesting the Odyssey bears a lot of similarity to Picard dealing with the Borg infiltration on the Enterprise.
- Summon Bigger Fish: This backfires horribly. Marrick, on the orders of the IOA, plans to unleash replicators on the Ori ships, wait for the replicators to destroy the Ori, and then deactivate the replicators. Sam and Cam think this is a terrible idea; they're right.
- Traveling at the Speed of Plot: The time on the spaceship fighting the replicators seems to take less than a day, however Teal'c goes on an epic journey through mountains on foot in that same span of time.