The original Japanese release earned a PG-12 rating in Japan; action and violence was cut substancially for it's U.S. release.
Team Rocket doesn't recite their motto in this movie.
Also, Ash and his friends visit a town that has no Pokemone Center and no Nurse Joy.
New Pokémon: Deoxys, a space Pokemon, Reqwayza, Blazikin, Megagross, Munchlax.
Torchick and Treeko are shown in their evolved forms.