Stargate - The Ark of Truth image
"Do you have any idea what it finally took to eradicate these little buggers?!" ―Cameron Mitchell

Stargate: The Ark of Truth is a direct-to-DVD movie written and directed by Robert C. Cooper. The film is the conclusion of Stargate SG-1's Ori arc, and picks up after the SG-1 series finale, but takes place before the fourth season of Stargate: Atlantis. The Ark of Truth was released as a Region 1 DVD on March 11, 2008. British Sky One broadcasted the film on March 24, 2008, followed by the Region 2 DVD release on April 14, 2008 with the Region 4 DVD release on April 9, 2008.
The movie came with the option to watch a short prelude before it, which was called Stargate SG-1: The Road Taken. This gives a recap of various key points in the Ori arc of Stargate SG-1 ranging from when Lt. Colonel Cameron Mitchell first joined SG-1 in the Season 9 premiere episode, Avalon, Part 1 to the most recent showdown with the Ori in the Season 10 finale/series finale episode, "Unending".