Undersea Kingdom: Chapter 1 - Beneath the Ocean Floor (1936)

Ray 'Crash' Corrigan, a recent graduate of Annapolis, travels with Professor Norton, his Son Billy, and plucky reporter Diana Compton to the Undersea Kingdom of Atlantis to locate the cause of a series of earthquakes. When they arrive, Crash and his friends become embroiled in a battle between warring Atlanteans.

Directors: B. Reeves Eason & Joseph Kane

Producer: Nat Levine

Production Company: Republic Pictures

Creative Commons license: Public Domain