Pokémon: Giratina and the Sky Warrior

Original: 劇場版ポケットモンスター ダイヤモンド&パール ギラティナと氷空（そら）の花束 シェイミ

When Giratina is discovered to be able to create parallel dimensions, it's up to Ash and his friends to stop a mysterious stranger from using its powers for evil.