Have Yourself a Morlock Little Christmas - S4-E12
Continuity mistake: The brown patch on Ape's left leg disappears when he gets up to assist in Wolverine's blood transfusion for Leech. (00:13:15)
Have Yourself a Morlock Little Christmas - S4-E12
Continuity mistake: When Jubilee is holding Mariana, her right arm goes from cradling Marian's head to being under her bottom. Jubilee also goes from wearing yellow gloves to being bare-handed. (00:11:40)
Have Yourself a Morlock Little Christmas - S4-E12
Continuity mistake: Callisto's eye-patch changes sides when she is berating Storm. (00:09:30)
Have Yourself a Morlock Little Christmas - S4-E12
Continuity mistake: Jubilee's presents suddenly become smaller when she, Storm and Wolverine depart for the Morlock tunnels. (00:08:45)
Have Yourself a Morlock Little Christmas - S4-E12
Continuity mistake: The boxes and ribbons in the stack of gifts that Jubilee is carrying change color. (00:05:20)
Beyond Good and Evil: Part 4 - S4-E11
Continuity mistake: The same time portal with the image of the neanderthal by the fire is erased by Apocalypse twice. (00:12:45)
Beyond Good and Evil: Part 4 - S4-E11
Continuity mistake: When Mr. Sinister confronts Magneto and Mystique, he is by himself. In the next shot, the Nasty Boys are suddenly behind him. (00:09:15)
Beyond Good and Evil: Part 4 - S4-E11
Continuity mistake: When the X-Men are fleeing the pyramid, Gambit's normally-black pants are colored blue. (00:03:20)
Beyond Good and Evil: Part 3 - S4-E10
Continuity mistake: At the end when Mystique says "What was that?" her normally-red eyebrows are colored white. (00:19:40)
Beyond Good and Evil: Part 3 - S4-E10
Continuity mistake: When Wolverine sniffs out one of Apocalypse's booby traps, the portion of his mask that runs down either side of his cheeks that is normally colored black is now colored yellow. (00:16:30)
Beyond Good and Evil: Part 3 - S4-E10
Continuity mistake: When Beast opens up the entrance to Apocalypse's pyramid, the "X" symbol on his belt that is normally black on red is now red on yellow. (00:15:15)
Beyond Good and Evil: Part 3 - S4-E10
Continuity mistake: When Beast is asking Xavier what he saw in Sabretooth's mind, Beast is missing the "X" symbol from the center of his belt. (00:11:10)
Beyond Good and Evil: Part 3 - S4-E10
Continuity mistake: When Cable is ordering Xavier to probe Sabretooth's mind, Cable is carrying his gun in his right hand. When the shot changes, Cable is no longer holding his gun. (00:10:55)
Beyond Good and Evil: Part 3 - S4-E10
Continuity mistake: When Cable is ordering Xavier to probe Sabretooth's mind, Sabretooth's normally-brown headgear is flesh-colored. (00:10:50)
Beyond Good and Evil: Part 3 - S4-E10
Continuity mistake: When Cyclops and Cable are arguing about the course of action to take, Cyclops is on the viewer's left and Cable on the right. When Wolverine interrupts them, they have swapped sides. (00:10:25)
Beyond Good and Evil: Part 3 - S4-E10
Continuity mistake: When Cable says "You're boring me..." to Xavier, Cable's gun is missing. It reappears in the next shot. (00:08:20)
Beyond Good and Evil: Part 3 - S4-E10
Continuity mistake: The position of Cable's gun when it is holstered on his back varies throughout the episode. Sometimes it is slanted at a 45° angle with the butt going over his right shoulder, sometimes it is sticking straight up with the butt going over his left shoulder, etc.
Beyond Good and Evil: Part 3 - S4-E10
Continuity mistake: When Bishop is observing Cable and Tyler from the Axis of Time, his goatee is colored a lighter shade of gray compared to its usual bluish-gray. (00:02:55)
Beyond Good and Evil: Part 2 - S4-E9
Continuity mistake: When Storm is clearing the debris of the destroyed warehouse, Sabretooth is nowhere to be seen. A few shots later Sabretooth is visible. Sabretooth was unconscious so he could not have moved into view on his own. (00:17:55)
Beyond Good and Evil: Part 2 - S4-E9
Continuity mistake: When Mystique first impersonates Shard in order to fool Psylocke, both Mystique and the real Shard are missing the gun holster that is usually on top of Shard's right shoulder. When Pyslocke and Wolverine both state that they can see through Mystique's deception, the gun holster has suddenly appeared on Mystique's right shoulder. (00:15:50)