Godzilla vs. Mothra
ゴジラvsモスラ (original)
Starring Tetsuya Bessho, Satomi Kobayashi, Takehiro Murata, Saburo Shinoda, Akiji Kobayashi, Akira Takarada, Makoto Ohtake, Keiko Imamura, Kenpachirō Satsuma, Megumi Odaka
It's a action & adventure and science-fiction 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.