Films set in the world of the TV series Pokemon. I used to have a list of short films set in that world, but I lost it, and I don't know if I'll ever bother trying to remake it.

Kanto:
1. Mewtwo Strikes Back

Orange Islands:
2. The Power of One

Johto:
3. Spell of the Unown
4. Celebi: Voice of the Forest
5. Pokémon Heroes: Latios and Latias

Hoenn:
6. Jirachi: Wish Maker
7. Destiny Deoxys
8. Lucario and the Mystery of Mew
9. Pokémon Ranger and the Temple of the Sea

Sinnoh:
10. The Rise of Darkrai
11. Giratina and the Sky Warrior
12. Arceus and the Jewel of Life
13. Zoroark: Master of Illusions

Unova:
14a/14b. Black / White
15. Kyurem vs. the Sword of Justice
16. Genesect and the Legend Awakened

Kalos:
17. Diancie and the Cocoon of Destruction
18. Hoopa and the Clash of Ages
19. Volcanion and the Mechanical Marvel

Alternate continuity:
20. I Choose You!
21. The Power of Us
22. Mewtwo Strikes Back: Evolution
23. Secrets of the Jungle