The ocean depths are explored with the aid of a submarine chamber of Williamson's invention and a few hardy souls. The construction of the device is examined; but most of the footage is given to plant and animal life, a girl swimming among the coral growths, and two divers who encounter a moray and an octopus.
★ 7.4
HD
★ 6.1
HD
HD
★ 7.8
HD
★ 5.7
HD
★ 6.6
HD
HD
★ 5.1
HD
HD
★ 8
HD