Continuity mistake: When Wolverine cuts the doorknob off the door, you can see some of the door on the right side is still intact. When the shot changes, this part of the door is now completely missing. (00:16:55)
Continuity mistake: When Wolverine is asking Graydon Creed if he looks familiar to him, his cuspids are very long and sharp. Later when Wolverine is sneering at Creed during his breakdown, you can see his cuspids are now flat and not as long. (00:17:29 - 00:19:36)
Continuity mistake: When Beast is kissing Carly on the forehead, his left eyebrow goes from being black to blue to black again. (00:20:20)
Mojovision - S2-E11
Continuity mistake: When Major Domo answers Mojo's call, he is standing in a doorway. When the shot changes, he is already walking down the hallway alongside Mojo. (00:02:08)
Mojovision - S2-E11
Continuity mistake: When Mojo first starts talking to Cyclops through the television screen, Jean is standing next to Cyclops on his right. She then disappears and reappears for the next several shots, and when Mojo is telling Cyclops that he's offering the X-Men a lifetime television contract, she walks up to Cyclops. (00:04:59 - 00:05:48)
Mojovision - S2-E11
Continuity mistake: When Mojo is talking to Cyclops through the television screen, the screen is roughly the size of a car's back-seat window. When the shot changes, the screen is drastically larger. (00:05:02)
Mojovision - S2-E11
Continuity mistake: When Jean is asking Mojo to leave Cyclops alone, some of the television screens that Cyclops just destroyed with his optic blasts are now intact. (00:06:28)
Mojovision - S2-E11
Continuity mistake: When Mojo is telling Cyclops that he can write him out of the first act, the middle of Jean Grey's outfit is peach-colored, when it should be blue. (00:08:51)
Mojovision - S2-E11
Continuity mistake: The cube that Mojo has the X-Men captive inside is transparent on all sides, except for when Cyclops is saying "The X-Men don't fight without a reason." In this shot and the following one, the wall behind them, as well as the ceiling, are now paneled. (00:09:36)
Mojovision - S2-E11
Continuity mistake: When Mojo is saying "Control room," Rogue is suddenly missing from the cube that the X-Men are trapped in. She reappears in the next shot. (00:09:58)
Mojovision - S2-E11
Continuity mistake: When Cyclops and Storm are about to be shuffled in to their television program, Jubilee can be seen standing between Wolverine and Storm, despite the fact that she was not among the X-Men that were abducted by Spiral, nor is she seen again for the rest of the episode. (00:10:05)
Mojovision - S2-E11
Continuity mistake: After Rogue and Beast have been shuffled out of the cube and into their television program, Jean is shown sitting down and leaning back on her elbows, while Wolverine is on his knees. When the shot changes, both are now standing upright. (00:13:08)
Mojovision - S2-E11
Continuity mistake: When Wolverine and Jean Grey are being shuffled in to their television program, Wolverine's face is yellow. (00:15:35)
Mojovision - S2-E11
Continuity mistake: When Wolverine is climbing the building, his upper body is shown as being higher than the top story windows. When he calls out to Jean after she gets attacked by the Punisher robot, he is now three floors down. (00:16:03)
Mojovision - S2-E11
Continuity mistake: When Mojo is saying "Go to something," the white sclera of his eyes is incorrectly colored the same green color as his skin. (00:17:30)
Mojovision - S2-E11
Continuity mistake: When Spiral is teleporting the X-Men back to Earth, the right side of Jean's outfit is blue, when it should be peach-colored, like the left side is correctly shown to be. (00:18:33)
Continuity mistake: In the wideshot of Magneto and Xavier scaling the cliff, Xavier is shown below and to the left of Magneto. When the shot changes, Xavier is now directly beneath Magneto. (00:02:25)
Continuity mistake: When Magneto is saying "Nicely played, Charles," the X emblem on Xavier's left shoulder is missing. (00:03:17)
Continuity mistake: When the lone sky-rider is flying towards Magneto, Magneto is grasping the cliff with his right arm. When the shot changes, Magneto is suddenly swinging from a tree branch growing out of the cliff in order to kick the rider off his pterodactyl. (00:03:22)
Continuity mistake: When Amphibious is saying "Now we take them to the master," he is standing behind Lupo and Xavier. A couple of shots later, he is standing several feet away from them, next to a cliff wall. (00:04:45)
Answer: Chris Potter, the original Gambit voice actor, did indeed quit the role in the 4th season. His last episode was The Phalanx Covenant Part 1 so it seems reasonable that Fox would limit the use of the character even though it was recast. It doesn't appear that Potter left the role due to animosity, he stated in an interview that he wished to play Gambit in the first live action X-Men film.
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