Gamera 2: Attack of Legion
ガメラ2 レギオン襲来 (original)
One year after the events of the previous Gamera film, Earth's ecosystem is under attack by an insect lifeform from outer space bent on colonizing our world. As the city of Sendai is destroyed, Gamera must protect the planet from the monster Legion and gets some help from Japan's Self Defense Forces.
Starring Toshiyuki Nagashima, Miki Mizuno, Tamotsu Ishibashi, Mitsuru Fukikoshi, Ayako Fujitani, Yukijiro Hotaru, Zen Kajihara, Tomorowo Taguchi, Yuka Sakano, Takeshi Yoro
It's a drama and fantasy movie, and has a rating of 7 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from Finland.