Doraemon & TMNT: Heroes Unite!

Doraemon & TMNT: Heroes Unite!, also known in Japan as Doraemon & TMNT: Hīrōzu danketsu! (ドラえもん＆TMNT：ヒーローズ団結！) is a one hour made-for-television film of the anime series Doraemon, that features characters from the Teenage Mutant Ninja Turtles franchise.

From Doraemon:

 * Doraemon
 * Nobita/Noby
 * Shizuka/Sue
 * Gian/Big G
 * Suneo/Sneech
 * Dorami
 * Dekisugi/Ace
 * Tamako/Tammy

From Teenage Mutant Ninja Turtles:

 * Leonardo
 * Donatello
 * Raphael
 * Michelangelo
 * Splinter
 * April O'Neil
 * Irma Langinstein
 * Shredder
 * The Kraang