Season 0 of X-Men premiered on October 2, 1989.

Season 1 of X-Men premiered on October 31, 1992.

Season 2 of X-Men premiered on October 23, 1993.

Season 3 of X-Men premiered on July 29, 1994.

Season 4 of X-Men premiered on September 9, 1995.

Season 5 of X-Men premiered on September 7, 1996.