The Return of Captain Nemo The Return of Captain Nemo The Return of Captain Nemo (theatrical title: The Amazing Captain Nemo) is a 1978 American science fiction adventure television miniseries directed by Alex March and Paul Stader (the latter directed the underwater sequences), and loosely based on characters and settings from Jules Verne's novel "Twenty Thousand Leagues Under the Sea". It was written by six screenwriters including Robert Bloch and has been considered an attempt by producer Irwin Allen to duplicate the success of his "Voyage to the Bottom of the Sea". During naval exercises in 1978, Captain Nemo (played by José Ferrer) is found
Twenty Thousand Leagues Under the Sea of underwater breathing apparatus designed by Benoit Rouquayrol and Auguste Denayrouze in 1865. They designed a diving set with a backpack spherical air tank that supplied air through the first known demand regulator. The diver still walked on the seabed and did not swim. This set was called an "aérophore" (Greek for "air-carrier"). Air pressure tanks made with the technology of the time could only hold 30 atmospheres, and the diver had to be surface supplied; the tank was for bailout. The durations of 6 to 8 hours on a tankful without external supply recorded for the Rouquayrol set in