Voyage into Space
This was the feature length movie from the TV series Johnny Sokko and his Flying Robot. It's colorful, fun, cheesy, has a lot of energy, but also kind of ridiculous.
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Roy Lee M commented
I'm watching it right now, local station is showing it. Giant Robot likes to dab a lot before doing anything, like fighting or shooting rocket missiles.
Troy Fullwood commented
This is an actual line "You saw that and that was only a tiny fingernail!" 60s japanese cheese the lies of which HAVE NEVER BEFORE BEEN WITNESSED