Pirates of the High Seas 1950 is the 44th serial released by Columbia Pictures. It starred the heroic Buster Crabbe, along with Lois Hall and Tommy Farrell, under the direction of Spencer Gordon Bennet and Thomas Carr. It was a Sam Katzman production.
Pirates of the High Seas qualifies as both a sea and a jungle story, due to action taking place on uncharted islands.
Source: Wikipedia