Uchuu Tetsujin Kyodyne – The Movie – Don’t get too excited though, as this is a “blown-up” version of Episode 3. It was shown at the 1976 Toei Cartoon Festival alongside the Goranger and Kagestar movies.
Uchuu Tetsujin Kyodyne – The Movie
The cut content from the episode consists of everything from before the title card, and one section of the final battle with Tankuda.
Uchuu Tetsujin Kyodyne – The Movie 1976
If you’re watching the show, the movie isn’t at all necessary. But if you just want a sampler of what Kyodyne is, I’d say to go for it!