Pokémon: The Movie 2000
劇場版ポケットモンスター 幻のポケモン ルギア爆誕 (original)
Starring Rica Matsumoto, Ikue Otani, Mayumi Iizuka, Satomi Korogi, Tomokazu Seki, Megumi Hayashibara, Shin-ichiro Miki, Inuko Inuyama, Unsho Ishizuka, Masami Toyoshima
It's a action & adventure and animation movie, and has a rating of 6.1 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Finland.