A Sun Vulcan movie was released on July 18, 1981 at the Toei Manga Festival. It takes place some time after episode 23. In it Black Magma decides to separate Hiba from his teammates while plotting to blow up Tokyo with hidden bombs.
Denzimen are warriors who fight against the Vader Clan, a clan that tries to pollute the Earth with sludge. Denzimen fight using the Super Science of the Denzi people.
