What is the best Pokemon animated movie?

Lucario and the Mystery of Mew (2005)

Widely considered the most emotionally powerful Pokemon film, featuring Lucario's tragic backstory and a heartbreaking sacrifice that left audiences in tears.

Mewtwo Strikes Back (1998)

The First Movie introduced Mewtwo's tragic origin story to an entire generation, ending with a tearjerker moment that remains one of the most emotionally resonant scenes in anime history.