Terror of the Carnivorous Gas!!

Toxic gas is generated at Mt. Onisumi and Dr. Katsuki and his investigators are attacked by Gas Bambara. Dr. Katsuki is safe because he took an antidote beforehand. Gas Bambara finds out that the formula for the antidote is hidden inside Dr. Katsuki's son Shingo's pendant. Gas Bambara goes after Shingo…