Deliberate "mistake": In this episode Jack is tortured by stabbing a nerve then having acid thrown on it. Yet in the next episode when he is chasing the bomber he is perfectly fine.

Other: At 7:45 Ahmed leads Scott out of his house at gunpoint so he can go to Scott's house. At 8:14 they arrive. But Scott's house is just across the street so we're supposed to believe that it takes half an hour to cross the street.

Continuity: When Jack slams his carjacked SUV into the terrorist's car, only its driver's side door acquires damage, but when it cuts to a close-up the car also has substantial damage over the front tire. Submitted by Rikki

Visible crew/equipment: When Jack gets into the black SUV with Curtis, as they pull away two crewmembers are visible in the reflection on the side of the vehicle. Submitted by Rikki

Revealing: Just before Curtis is shot by Jack, it's obvious Roger Cross knows the gunshot is coming. Submitted by Cubs Fan

Continuity: When Milo begins to drive the tactical van with Marilyn, the driver's side door acquires significant damage, but when being shot at a moment later, the door is undamaged. Submitted by Rikki

Visible crew/equipment: When Jack and Marilyn's car pulls up to 9407 Hindry Place, with the tactical van behind them, the filming crew's vehicle's license plate, beginning with 9DGE, is reflected on the car's windshield. Submitted by Rikki

Continuity: When Logan walks into Martha's bungalow, there is a deliberate close-up of the photograph with Martha and Anya, in a narrow goldtone frame. Oddly, in following shots, that photo is in a wide width, white frame. Additionally, the arrangement of all the frames on that table changes quite a bit as well. Submitted by Rikki

Continuity: When Martha stabs Logan in the first shot, she drops the two plates she holds in her left hand. Next shot, facing Logan, the two plates are still in her hand. Submitted by Rikki

Continuity: When Doyle puts Jack in the holding cell and handcuffs him, the cuff's double bar faces up on his right wrist, but when Doyle uncuffs him shortly after, the single bar faces up. Submitted by Rikki

Continuity: In season four James Heller told Erin Driscoll that his wife, Audrey's mother, was named Susan. In this episode her name is Alicia.