As Trish Tibly reports on events, the symbol on the news van behind her is that of J3 Communications, the broadcasting company owned by J. Jonah Jameson in Spider-Man: The Animated Series (1994).
Originally a whole pantheon of Marvel superheroes were to make cameos in this episode, to bid farewell to Professor X. However, this was cut down to just the X-Men bidding farewells.
In the comics, Genosha's location has been depicted as off the southeastern African coast. However, according to the map Cyclops is consulting, Genosha is located in the Mediterranean Sea.
In this episode, Henry Peter Gyrich has black hair instead of brown hair and he no longer wears glasses.
This is the last episode.