Undersea Kingdom: Chapter 1 – Beneath the Ocean Floor

Undersea Kingdom: Chapter 1 – Beneath the Ocean Floor
Republic Pictures
31 min – Oct 2, 2007

"Following a suspicious eathquake, and detecting a series of signals, Professor Norton leads an expedition, including Lt Crash Corrigan and Reporter Diana Compton, in his Rocket Submarine to the suspected location of Atlantis." Directed by B. Reeves Eason and Joseph Kane, written by Tracy Knight and John Rathmell, 1936. Video in the public domain available at Archive.org