During the first of the scenes where Carter walks in and
checks on Orlin, when the camera is facing Orlin, the screen of the laptop on the table is at a sharp angle, yet when the camera is facing Carter, the screen is completely vertical.
In the first scene with General Landry in sick bay, there is a woman in the bed to the right of him. There is also a man in a bed to his one o'clock. A short time later when Teal'c and Gerak arrive at the SGC, the woman has been replaced with a man, and the other aforementioned bed has vanished. There was nowhere near enough time to change the sick bay's layout as much as that.
When Lt. Colonel Mitchell is walking and talking with Dr Jackson on the Sodan planet, he tells him that he spent 2 weeks with them, however when he did live with them, it was mentions that he had been gone for at least 6 weeks.