Continuity mistake: When Beast is thanking Rogue and Gambit for the book, his fingernails are trimmed. When he is telling Gambit that he needs to see through his incarceration in his own way, his fingernails are suddenly long.(00:10:58)
Continuity mistake: When Bishop peeks out of the alley after arriving in the past, there is a wrecked car on the right side of the screen, with a fire hydrant near its front bumper, on an uninterrupted sidewalk. When the shot changes to Bishop stepping out of the alley, the fire hydrant is now by the car's rear bumper, and there is a driveway leading into the alley. Additionally, the building that is behind Bishop changes color from red to green.(00:10:09)
Continuity mistake: When Bishop is asking what time period Wolverine is traveling to, he is looking at Forge. When the shot changes, he is suddenly looking down at Wolverine.(00:07:35)
Continuity mistake: When Wolverine and Bishop are standing in front of the time portal when Forge activates it, they are standing in such a way that Wolverine's left arm is in front of Bishop's right arm. When the shot changes, their arms are now side by side.(00:07:12)
Continuity mistake: When Bishop is holding out his ID card for the Sentinel to scan, the card is gray with a red stripe on top, a lighter gray stripe underneath it, and a white mark underneath that. When the shot changes, the entire card is the same shade of gray. Additionally, in some of the shots of Bishop holding out the card, the he is wearing the temporal band on his arm that he doesn't receive until a few minutes later in the episode.(00:04:55)
Continuity mistake: When Bishop is telling Wolverine that Sentinels only want to kill rebellious mutants, his neck alternates between being the same color as his skin and the same light blue color as his uniform.(00:04:51)
Continuity mistake: When Wolverine is asking Bishop if he knows him from somewhere, his pupils have been drawn as small black circles inside a blue circle that are the same color as his eyes. Within the same shot, his small pupils suddenly become larger by filling in the rest of the blue circle, and then just as quickly go back to being small.(00:04:27)
Continuity mistake: When Rogue positions the platform that Mystique is shackled to upright, Mystique's feet are close to touching the floor. A couple of shots later, her feet are suddenly several inches higher.(00:14:08)
Continuity mistake: When Rogue is interrogating Mystique, she is standing in various places next to the platform depending on the shot.(00:13:45 - 00:14:08)
Continuity mistake: When Rogue is shackling Dr. Adler to the platform, she only applies the restraints to his arms and left foot, leaving the right foot unshackled. Moments after Adler reveals himself to Rogue to being Mystique, the right foot is now shackled as well.(00:13:31 - 00:14:08)
Continuity mistake: When Rogue is flying toward Adler's lab, you can see the building is several stories off the ground. When she flies in through the hole in the roof, the interior of the lab is on the top-level, whereas the previous episode showed that the lab was on the ground level.(00:12:55)
Continuity mistake: When the cameraman drops his camera, it lands on the ground and rests on a rock so that the lens is at a slanted angle. When the shot changes to the camera's point of view, it shows Apocalypse right side up, when he should be slanted to correspond with the camera.(00:10:14)
Continuity mistake: When Xavier, Jubilee, and Rogue are walking towards the end of the Blackbird's runway, their shadows on the wall show Rogue in front of Jubilee, but Jubilee is actually in front of Rogue.(00:10:51)
Continuity mistake: When Storm turns on the TV, the news reporter's microphone has a yellow 7 on a black circle. A couple of shots later, the black circle is now also yellow.(00:07:49)
Continuity mistake: When Xavier is briefing the X-Men about Apocalypse, Storm is on Xavier's left, and as the camera pans up and to the left, you can see no-one is around her. When the shot changes, Cyclops and Rogue are suddenly next to Storm.(00:10:21)
Continuity mistake: When Storm turns on the TV, much of the Eiffel Tower is in the background. A couple of shots later, the reporter is standing in front of a building that would obscure much of the Eiffel Tower, and is also suddenly standing next to a news van.(00:07:47)
Continuity mistake: When Nick Fury is overseeing the cleanup of Iron Man's attack on Firepower, the patch on his right shoulder is purple. When he is admonishing the soldier for playing around with Iron Man's helmet, the patch is now brown. A couple of shots later, the patch is now blue.(00:10:37)
Continuity mistake: When the Mandarin is in the jewelry store at the end, he is shown as having only retrieved six of his ten power rings, with the ring in the jewelry store to be his seventh. In addition to previous episodes showing him to having already retrieved all ten rings, when he walks out of the jewelry store and places the ring he just stole on his left hand middle finger, you can see that he now has nine rings, with the thumb of his right hand being the only digit not adorned with a ring.(00:20:59)
Continuity mistake: When Mystique, disguised as Warren Worthington, first walks into the bar, the walls are purple. When she is saying "You don't have to be mutants," the walls are now red. When the shot changes, they are back to being purple, and a framed picture has appeared over her left shoulder.(00:04:18)