Continuity mistake: When Agent Walker enters the building where Matobo is being held, Chloe tells her on com the stairway is to Agent Walker's left, she then immediately goes to the door to her right to enter the stairwell to let Jack Tony and Bill in from the roof.
Continuity mistake: In the season finale of 24: Day 7 when Tony is torturing Alan Wilson and Jack comes in and shoots Tony in the shoulder, we can see Wilson raise his hands while lying on the floor with his legs to his left. Wilson remains in this position when Jack shoots Tony in the knuckles. Directly after the shot of Jack shooting Tony in the hand, we can see Wilson sitting cross-legged. With the time elapsed, he had no time to change into his position that quickly.
Continuity mistake: When president Taylor asks Olivia to be her acting Chief of Staff, Allison rests her head on her hand, with only her elbow on the couch. In the next shot, her arm is suddenly resting on the couch instead. There's a straight cut between the two shots, so she didn't have time to move.
Continuity mistake: When the terrorist keeping an eye on Kim bends over to move his baggage for other people to sit down, Kim notices his neck is bleeding from him confronting and killing the FBI agent watching her (which she doesn't know). However, in the last 15 minutes of hour 5:00AM to 6:00AM, when he kills the FBI agent, he doesn't receive a scratch.