If you loved Gamera: Super Monster, try Gamera vs. Zigra
A bridge between a film you've already seen and one most people haven't. Here's what they share, and what the second one does that the first one doesn't.
What they share
Both films are directed by Noriaki Yuasa, and they both carry the 3am cult mood tag, and they sit in Action / Family / Science Fiction territory. If that's the register that drew you to Gamera: Super Monster, the second film will land in a comparable space — through a different lens.
3am cult
What Gamera vs. Zigra is
The giant turtle plays planetary lifeguard again. A moon outpost expires courtesy of interstellar surfers scoping Earth’s H2O. Once more he wades in, squid down.

