This is part of GODZILLATHON
AKA GODZILLA VS. GIGAN–Part of the GODZILLATHON monster movie weekend!
(1972) Aliens plan to conquer the world (again), this time using the space monsters Gigan and King Ghidorah, which they control from their secret headquarters at a theme park. The only thing that can stop them is the combined efforts of Godzilla and Anguirus.
Dubbed in English. Guest passes accepted.