Invasion of Astro-Monster
In the 6th Godzilla movie, mysterious aliens from Earth X ask globe's people to help them rescue their world from the dreaded Ghidorah (aka"Monster Zero") by permitting them to"borrow" Godzilla and Rodan. Monster mayhem ensues on Earth X, but it's soon found that the aliens possess goals for the critters.
Released: 1965-12-19