The Phoenix Saga (2): The Dark Shroud - S3-E4
Continuity mistake: When Lilandra first appears in Xavier's room, she appears to be around 7 feet tall. She is nowhere near that tall in subsequent shots. (00:18:29)
Savage Land, Strange Heart (1) - S3-E8
Continuity mistake: When Zaladane is first shown, she is standing several feet in front of the doorway. When the shot changes, she is now inside the doorway. (00:02:45)
Savage Land, Strange Heart (1) - S3-E8
Continuity mistake: When Kazar and his men reach the shore outside the citadel, one of the men suddenly has green skin, despite being shown with Caucasian skin tone moments before. (00:01:54 - 00:02:15)
The Phoenix Saga (5): Child of Light - S3-E7
Continuity mistake: When Lilandra is boarding her ship in the end, Cyclops and Corsair are in the background, and they are standing straight up. When the shot changes, Cyclops is now hunched. (00:19:08)
The Phoenix Saga (5): Child of Light - S3-E7
Continuity mistake: When Phoenix is telling everyone that the crystal has been sealed, Wolverine's lower half has been miscolored. His trunks and boots should be blue, but have been colored yellow, and his legs should be colored yellow, but are flesh-colored. He's also wearing his mask in this shot, but in the next shot he is not wearing it. (00:17:42)
The Phoenix Saga (5): Child of Light - S3-E7
Continuity mistake: When Phoenix is teleporting everyone out of the M'Krann Crystal, Gambit's gloves are fingerless, when it has been previously shown that the middle and ring fingers are gloved. (00:14:53)
The Phoenix Saga (5): Child of Light - S3-E7
Continuity mistake: When the action returns to the X-Men battling D'Ken, Gladiator's neck is the same blue color as his hair, when it should be grayish-purple like his face. (00:12:35)
The Phoenix Saga (5): Child of Light - S3-E7
Continuity mistake: When Gladiator is saying "All is lost, Empress," the front of Gambit's neck is flesh-colored, when it should be black like the rest of his cowl. (00:07:29)
The Phoenix Saga (5): Child of Light - S3-E7
Continuity mistake: When Storm is telecommunicating with Xavier, she is standing in front of a gray wall. When the shot changes, the wall is now green. (00:06:24)
The Phoenix Saga (4): The Starjammers - S3-E6
Continuity mistake: When D'Ken is running from the Phoenix, the M'Krann crystal has been colored roughly the same shade of gray as the pedestal it was placed on. (00:16:46)
The Phoenix Saga (3): Cry of the Banshee - S3-E5
Continuity mistake: When the X-Men are flying towards Cassidy Keep, Gambit's neck is flesh-colored, when it should be black from his cowl. (00:13:02)
The Phoenix Saga (3): Cry of the Banshee - S3-E5
Continuity mistake: When Xavier faints after trying to contact Lilandra, Gambit's cowl is the same color as his flesh. (00:12:11)
The Phoenix Saga (3): Cry of the Banshee - S3-E5
Continuity mistake: When Black Tom Cassidy is first shown counting his money, he's seated at a table with no wall near his backside. Moments later when Erik the Red is telling Lilandra what name he goes by on Earth, there is suddenly a window behind Cassidy, within an arm's reach. (00:10:22 - 00:11:09)
The Phoenix Saga (3): Cry of the Banshee - S3-E5
Continuity mistake: When Black Tom Cassidy attacks Xavier from behind, the window is adorned with pink drapes. Moments later after he knocks out Lilandra, the drapes have disappeared. (00:04:27)
The Phoenix Saga (3): Cry of the Banshee - S3-E5
Continuity mistake: When Xavier is telling Lilandra that Juggernaut's body is invulnerable, the destroyed TV is just on his left. When the shot changes, he is now directly in front of the TV. (00:03:27)
The Phoenix Saga (2): The Dark Shroud - S3-E4
Continuity mistake: When Gambit is saying "Wolverine, what's happening," the sclera of his eyes are white, when they should be black. (00:12:16)
The Phoenix Saga (5): Child of Light - S3-E7
Continuity mistake: When Phoenix is telling everyone that the crystal is sealed, Rogue is standing behind Wolverine and Cyclops. A couple of shots later, she is several feet in front of them. (00:17:42)
The Phoenix Saga (5): Child of Light - S3-E7
Continuity mistake: When the image of the X-Men are shown on a tree, Gambit's pants are the same blue color as his boots, when they should be black. (00:17:02)
The Phoenix Saga (5): Child of Light - S3-E7
Continuity mistake: After Jean says goodbye to Cyclops, Wolverine's bare arms are the same yellow color as his outfit. (00:16:39)
The Phoenix Saga (5): Child of Light - S3-E7
Continuity mistake: When Xavier is first shown watching the clips of the destruction happening across the planet, he is wearing a jacket and gloves. When he is shown again around 30 seconds later, he is now wearing a suit and tie. (00:11:20 - 00:11:54)