Gamera vs. Viras (1968)

Space aliens fluent in the Japanese language invade Japan. Their high tech super-catch ray won’t stop the playful Gamera for long. He’s so displeased that he'll shoot fire in the vacuum of space! That's what you deserve if you're dumb enough to fashion a spaceship from the asses of five giant wasps.
Luckily, for Earth, the aliens were too busy getting outsmarted by boy scouts and a huge chunk of reused footage from all three of the previous films, otherwise they might have made best use of the fact that there wasn't enough budget to stage firing a barrage of ineffectual missiles their direction.

2 dib dib dibs out of 5