'Til Death Do Us Part: Part 1 - S2-E1
Continuity mistake: The blast damage Jubilee causes to the door of the War Room suddenly disappears after Morph (in the guise of Rogue) exits. (00:15:00)
'Til Death Do Us Part: Part 2 - S2-E2
Continuity mistake: When Morph parks the police car outside the gates of the X-Mansion, the front half of the car is in the immediate pathway of the gate. A couple of shots later, the entire car is parked along the curb. (00:02:50)
'Til Death Do Us Part: Part 1 - S2-E1
Continuity mistake: In the first shot of Rogue, Storm, Wolverine and Gambit watching Professor X's holographic message, Gambit's trenchcoat is colored yellow and his hair is colored black. The animators must have confused him for Jubilee at first, because those are the colors of her jacket and hair. (00:12:50)
'Til Death Do Us Part: Part 1 - S2-E1
Continuity mistake: Professor X's wedding tuxedo suddenly changes into his usual green suit when Beast is giving an update about President Kelly. (00:05:50)
'Til Death Do Us Part: Part 1 - S2-E1
Continuity mistake: The ribbon on the wedding present that Beast is carrying disappears when Jean's bouquet lands on it. (00:05:30)
'Til Death Do Us Part: Part 2 - S2-E2
Continuity mistake: When Morph collapses after finally remembering how he came into Mr. Sinister's service, his boots which are normally yellow are colored blue. (00:15:00)
'Til Death Do Us Part: Part 2 - S2-E2
Continuity mistake: When Magneto and Professor X meet in Antarctica, the white stripes on Magneto's right glove are red in one shot. (00:20:10 - 00:20:45)
Time Fugitives: Part 1 - S2-E7
Continuity mistake: When the Blackbird is shown recording the hearing, you can see Graydon Creed standing in front of the podium. When the shot changes to the hearing in the chambers, Creed is suddenly standing behind the podium. (00:14:32)
Continuity mistake: In Gambit's flashback it is shown that the chosen one from the Guild of Thieves is banished to a "darkness never-ending" for breaking the covenant of the tithe. However, the same character can be seen later in the episode fighting alongside his fellow guild members.