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'''Warning: Spoilers for ''Film/{{Stargate}}'', ''Series/StargateSG1'' and this movie follow.'''

'''''The Ark of Truth''''' is a direct-to-DVD movie concluding the storyline of ''Series/StargateSG1'', post ReTool.

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 belief that the Ori followers are just going to let them dig said artifact right next to their capital city instead of vaporizing their ship as soon as it enters their galaxy. 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'' and the fact that none of the military officers in the room have regular guns ready. 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, ''Film/StargateContinuum''.

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!!This film provides examples of the following tropes:

* AndStarring: Michael Shanks continues to be credited as "And Michael Shanks as Daniel Jackson", as he had been since Season 7.
* BigBad: Adria, who has become the leader of the Ori after the previously ascended all died.
* CallBack: 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.)
** Also, 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''.
* CirclingMonologue: Adria again.
* ClippedWingAngel: [[spoiler: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]].
* ContinuityOverlap: The film opens shortly after the end of ''SG-1'', but is set just before the ''Stargate Atlantis'' Season 3 finale "First Strike".
* CosmicDeadline
* DeusExMachina: 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|Trope}}. As the Ori/Adria were on [[AscendedToAHigherPlaneOfExistence a higher plane]], SG-1 couldn't simply kill them to prove they weren't Gods. Mass brainwashing really would be the only way to convince people.
* DistantPrologue
* EarlyBirdCameo: This one's an interesting case. ''Stargate Atlantis'' character Colonel Abraham Ellis and the ''Apollo'' have a brief cameo as [[spoiler: 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.
* FlashBack: The very first scene, and then an additional one along the way.
* GrandFinale: Since the series was canceled without a chance for a proper one.
* HeelFaceBrainwashing: What the Ark of Truth ultimaly can do.
* HeroicSecondWind: 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.
* ICannotSelfTerminate: Replicator Marrick wishes to have his life ended but cannot do it himself due to being a MeatPuppet for the Replicators.
* IdiotBall: Seriously, IOA, what the hell were you thinking when you came up with the whole Replicator idea?
* InstrumentalThemeTune: Mostly carried over from the [[Film/{{Stargate}} original movie]], but with a new ending.
* {{Leitmotif}}: Naturally, the SG-1 theme is reused by composer Music/JoelGoldsmith. 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 [[spoiler: the Replicators]].
* MookFaceTurn: Tomin, and then the [[spoiler: Doci when exposed to the Ark, and all Priors]].
* MyGodWhatHaveIDone
** The [[spoiler:Doci]] after being exposed to the Ark.
** Tomin earlier in the movie, leading to a moment with Teal'c, whose backstory is very similar to Tomin's.
-->'''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.\\
'''Tomin:''' How do you go on?\\
'''[[RousingSpeech 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.
* NoHoldsBarredBeatdown
* TheMovie
* OutrunTheFireball: Done so over the top it looks like a parody, which it probably was. Simultaneously subverted by [[spoiler:Replicator Marrick]] being charred to a husk.
* ReversePsychology: Daniel uses it to get Tomin's Prior to open the fake Ark.
* ShoutOut
** At least to ''Franchise/StarWars'' ("Millions of years ago, in a distant galaxy...")
** And ''Film/{{Terminator}}'', complete with SuspiciouslySimilarSong to the theme music (the "skeleton" of [[spoiler:Replicator Marrick]]).
** And then there's the first ''actual'' order (see CallBack above) Cam issues upon taking command of the ''Odyssey'': [[Series/StarTrekTheNextGeneration "Make it go."]]
* SummonBiggerFish: 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.
* TravelingAtTheSpeedOfPlot: 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.

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