Continuity mistake: When Beast is theorizing that Xavier was coerced into contacting them, Gambit is sitting upright. When the shot changes, Gambit is now slouched in his chair (note his head is higher than the headrest in the first shot). (00:20:05)
Continuity mistake: When flashes of the different X-Men's faces are being shown while Xavier is being hypnotized by Sauron, Gambit's eyes are brown with white sclera, when they should be red with black sclera. (00:18:46)
Continuity mistake: When Sauron is hypnotizing Xavier, the space between Xavier and Magneto is greater than previously shown. (00:16:11 - 00:18:29)
Continuity mistake: When Magneto, Kazar, and Xavier are ambushed in the citadel, they are standing near the doorway leading to the stairs. When the shot changes, they are suddenly several yards into the room. (00:14:55)
Continuity mistake: When Kazar is taming the plesiosaur, its color changes from gray, to brown, and back to gray. (00:14:00)
Continuity mistake: When Morph is performing his one man show, he is standing in front of a red and yellow stained-glass window. After he drinks the potion, the background behind him is now dark blue draping. It then becomes the stained-glass window again after he transforms into Mr. Hyde. (00:05:35 - 00:06:00)
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)
Continuity mistake: When Magneto is saying "Nicely played, Charles," the X emblem on Xavier's left shoulder is missing. (00:03:17)
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 Xavier is telling Kazar that Amphibious told him the Savage Land mutates were following a new master, his black shirt is suddenly the same color as his flesh. (00:09:47)
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)
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 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 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)
Continuity mistake: When Morph collapses to his knees in his dressing room, his yellow waistband is now white. (00:07:00)
Continuity mistake: When Beast is noting how odd Xavier's message was, the sclera of Gambit's eyes are white, when they should be black. (00:19:34)
Continuity mistake: When the Nasty Boys are walking Morph towards the wall to chain him up, the wall ends and leads outside on the left, and Xavier and Magneto are chained up only a few feet away on the right. A few shots later, the wall now appears to go on continuously, and Magneto and Xavier are considerably further away from Morph. (00:17:35)
Continuity mistake: When Morph is getting ready to attack Mr. Sinister, Sinister is standing in front of Magneto and Xavier. After his henchmen tackle Morph, Sinister then approaches Morph a different part of the room. (00:17:22)
Continuity mistake: When Morph is laughing at Wolverine, the colors on the X emblem on his waistband have been inverted. (00:12:51)
Continuity mistake: When Morph, Jean, and Cyclops are all knocked unconscious by Ruckus' scream, Morph falls to his right, and Jean and Cyclops fall forward. A couple of shots later when their bodies are shown on the ground, Morph is suddenly between Jean and Cyclops, despite falling the opposite direction of them. (00:11:30)