Doraemon & The X-Men: The Adventure

 is a television special.

From Doraemon:

 * Doraemon
 * Nobita (Noby)
 * Shizuka (Sue)
 * Gian (Big G)
 * Suneo (Sneech)
 * Dorami
 * Nobita's Teacher (Mr. S)
 * Nobita's Mother (Noby's Mother)
 * Nobita's Father (Noby's Father)

From X-Men:

 * Beast
 * Cyclops
 * Firestar
 * Iceman
 * Jean Grey
 * Juggernaut
 * Kitty Pryde
 * Magneto
 * Mystique
 * Nightcrawler
 * Professor X
 * Rogue
 * Sabretooth
 * Scarlet Witch
 * Storm
 * Toad
 * Wolverine