World of Giants full-sized partner, Agent Bill Winters. Thompson set up the premise in the show's opening voiceover: "World of Giants" was produced by Ziv Television Programs, the company responsible for such hit TV series as "Highway Patrol", "Sea Hunt", and "Bat Masterson". Not a success, this series only lasted through its initial production order of 13 episodes. Thompson later went on to star in the (much more) successful CBS TV series "Daktari" (1966-1969). Nearly a decade later, in 1968, a similarly-themed Irwin Allen TV series, entitled "Land of the Giants", starring Gary Conway and Don Marshall, ran on ABC. Two years prior
Voyage to the Bottom of the Sea (TV series) season of 32 episodes began with Admiral Nelson and the crew of the "Seaview" fighting against a foreign government to prevent a world-threatening earthquake, and continuing with a foreign government destroying American submarines with new technologies in "The Fear Makers" and "The Enemies". The season also had several ocean peril stories in which the "Seaview" crew spent the episode dealing with the normal perils of the sea. Two examples are "Submarine Sunk Here" and "The Ghost of Moby Dick". The season introduced a diving bell and a mini-submarine, and the first episodes featuring extraterrestrials (Don Brinkley's "The Sky is Falling")