Also known as Gamera vs Gaos, and Return of the Giant Monsters, Gamera vs Gyaos introduces us to what ends up becoming Gamera's most noteworthy villain. As this is the first Gamera film I've reviewed since the original to spawn a legacy, is that justified? Or were the creators just that pleased with making their own (blog post) Rodan to care at this point?
Source: Gamera vs Gyaos Movie Review - Decker Shado