Footnotes
- a No Mutant Is an Island, A Deal with the Devil, and Longshot episodes were originally part of season three; however, due to animation problems they were held back for two years; and consequently, Jean Grey's resurrection was not properly explained.
- b The Juggernaut Returns, Nightcrawler, and Weapon X, Lies, & Videotape episodes were originally a part of season four; however, they were pushed up to the third season to make up for No Mutant Is an Island, A Deal with the Devil, and Longshot episodes being pushed back.
Read more about this topic: List Of X-Men (TV Series) Episodes