Family Ties - S4-E17
Revealing mistake: When Quicksilver is fidgeting inside his containment shell, the animators neglected to properly sync his body movement. You can see that his shoulders are not "connected" to his arms, as if his head and shoulders were separated from the rest of his body. (00:16:00)
Family Ties - S4-E17
Continuity mistake: When Wolverine is talking to Xavier by the fireplace, in one shot the black portion of his mask is colored yellow. (00:05:20)
Family Ties - S4-E17
Other mistake: The final shot of Magneto flying away is a recycled shot from the season 2 episode "Reunion, Part 2." (00:20:40)
Family Ties - S4-E17
Continuity mistake: There are two continuity errors regarding the final shot of Wolverine in this episode. Firstly, his arms are colored yellow. Secondly, his costume has magically mended itself after being torn to shreds by his mutation earlier in the episode. (00:20:25)
Family Ties - S4-E17
Continuity mistake: When Wolverine is mutated into a werewolf-like monster, portions of his costume are torn up including his boots. When he reverts back into human form, his boots are still torn up, but his bare feet are still colored blue. (00:19:10)
Family Ties - S4-E17
Continuity mistake: When the mutated Wolverine picks up and throws Xavier, before Beast comes to aid him there is nothing immediately around Xavier but the ground. When the shot changes, Xavier and Beast are suddenly next to a cliff wall. (00:17:55)
Family Ties - S4-E17
Other mistake: When Scarlet Witch falls from the cliff, she lands on a hover craft and kicks its pilot off. The pilot is then immediately show falling into a pond. It then takes Scarlet Witch several seconds to save Quicksilver who was free-falling from the same cliff. Given how fast the hover craft pilot fell to the ground, Quicksilver also would have fallen to the ground before Scarlet Witch could have caught him. (00:16:50)
Family Ties - S4-E17
Other mistake: All of Scarlet Witch's screams in this episode are recycled from Lady Deathstrike screaming in the season 3 episode "Out of the Past, Part 1." (00:16:55)
Family Ties - S4-E17
Continuity mistake: When Magneto rescues Beast, the purple border at the base of his helmet is suddenly red. (00:17:15)
Family Ties - S4-E17
Continuity mistake: When the High Evolutionary is talking about using the speed enhancing powers of Quicksilver's DNA, the lightning bolt symbol is missing from Quicksilver's uniform. (00:13:40)
Family Ties - S4-E17
Continuity mistake: At various points in the episode, the High Evolutionary's "teeth" go from being white to being the same purple color as his face. (00:05:45 - 00:13:40)
Family Ties - S4-E17
Audio problem: When the High Evolutionary says "The Scarlet Witch possesses the mastery of probability," his mouth is completely closed. (00:13:30)
Family Ties - S4-E17
Continuity mistake: When Magneto is explaining the legend of Wundagore to Wolverine, Quicksilver and Scarlet Witch are just a few feet behind him. When the High Evolutionary greets Magneto, Quicksilver and Scarlet Witch have suddenly moved several yards away. (00:12:50)
Family Ties - S4-E17
Continuity mistake: After Magneto and Wolverine have been captured, when Wolverine is asking Magneto what is going on, the perspective of the shot makes it look like Magneto is looking down on Wolverine from a considerably taller height when they are both standing on a level floor. Additionally, the square slabs that make up the floor become smaller. (00:12:35)
Family Ties - S4-E17
Revealing mistake: After the New Men have captured Magneto, Wolverine, Scarlet Witch and Quicksilver, the establishing shot of the High Evolutionary's headquarters is a recycled shot of when Scarlet Witch and Quicksilver first arrived at his headquarters a few minutes earlier in the episode, played on a loop (note the lightning strikes and the High Evolutionary's pink energy field being repeated). (00:05:35 - 00:12:40)
Family Ties - S4-E17
Continuity mistake: For the first half of this episode, Magneto is wearing a red dress-shirt with a black tie under a dark gray trenchcoat. After he is captured by the High Evolutionary, he is suddenly wearing his usual red and purple costume. Even if Magneto brought a change of clothes with him, it's extremely unlikely that the High Evolutionary would change his clothes for him. (00:03:40 - 00:12:40)
Family Ties - S4-E17
Continuity mistake: The metal tubes on Wolverine's gloves appear and disappear throughout the episode. (00:04:00 - 00:20:45)
Family Ties - S4-E17
Continuity mistake: The style of the lettering on Magda's gravestone changes after the goat-woman runs away from Magneto. There is also a stone that was next to the grave when it is first shown that has suddenly disappeared in the same shot of the goat-woman running away. (00:09:10 - 00:09:45)
Family Ties - S4-E17
Audio problem: When the High Evolutionary claps his hands, there is no corresponding sound. (00:08:25)
Family Ties - S4-E17
Continuity mistake: Quicksilver's neck is colored the same light-blue hue as his uniform when he says "The mutant who did this..." (00:07:45)
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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