The Shroud

SG1 is infiltrated in a village the Ori wants to impose faith in Origin without the use of force, when the Prior arrives. To their surprise, the Prior is Daniel Jackson. They abduct Daniel and bring him to the SGC, where he is interrogated and he insists that this is part of a plan. He let Adria turn him into a Prior and has not finished the construction of Merlin's weapon. He asks to open a wormhole to bring back the weapon, but everybody questions whether he is telling the truth. (imdb.com)