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 series of earthquakes. When they arrive Crash and his friends become embroiled in battle between warring Atlanteans.
Sci-Fi | Adventure
| Ray Corrigan | … | Crash Corrigan (as Ray ‘Crash’ Corrigan) | |
| Lois Wilde | … | Diana Compton | |
| Monte Blue | … | Unga Khan | |
| William Farnum | … | Sharad | |
| Boothe Howard | … | Ditmar | |
| Raymond Hatton | … | Gasspon | |
| C. Montague Shaw | … | Prof. Norton |
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Undersea Kingdom: Chapter 1 – Beneath the Ocean Floor
Undersea Kingdom: Chapter 2 – The Undersea City
Undersea Kingdom: Chapter 3 – Arena of Death
Undersea Kingdom: Chapter 4 – Revenge of the Volkites
Undersea Kingdom: Chapter 5 – Prisoners of Atlantis
Undersea Kingdom: Chapter 6 – The Juggernaut Strikes
Undersea Kingdom: Chapter 7 – The Submarine Trap
Undersea Kingdom: Chapter 8 – Into the Metal Tower
Undersea Kingdom: Chapter 9 – Death in the Air
Undersea Kingdom: Chapter 10 – Atlantis Destroyed
Undersea Kingdom: Chapter 11 – Flaming Death
Undersea Kingdom: Chapter 12 – Ascent to the Upperworld