Voyage to the Bottom of the Sea (1964)

Episode Overview

Title: The Botanical Beast Plot: Two twin scientists, one benevolent and the other malevolent, arrive on the Seaview. The sinister twin has a diabolical plan to engineer a radioactive creature known as the "plant man," posing a significant threat to the crew and the environment. As tensions rise, the good twin must navigate the treacherous waters of his brother's dark intentions, striving to prevent the creation of this monstrous being before it's too late.