

A physicist named Tetsuo Okita discovers a new mineral called "Satanium," which is more powerful than uranium and emits destructive effects to anyone exposed to it. However, Destron abducts Okita in hopes of finding the source of Satanium and collecting more of it to expedite their run for global domination. Kamen Rider V3 must act fast in rescuing Professor Okita and preventing Destron from collecting more of the deadly mineral.
Practical Effects
Suit actors throwing themselves at cardboard sets with Olympic dedication.
Stunts
Rider #1 and #2's synchronized entrance is chef's kiss.

Director
Minoru Yamada
Trivia, insights & behind the scenes
This was a theatrical short released alongside other Toei programming, explaining the breakneck pacing and reunion of all three Riders.
Satanium's name reflects 1970s Japan's nuclear anxiety—uranium paranoia dressed in Saturday morning villainy.
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