Hoppy, California and Johnny partner up with brother and sister ranch owners, two of several who are having their access to water blocked by a dam owned by a greedy…

A scientist uses an earthquake machine to threaten the city, and only Superman can stop his extortion plan!

When a plane carrying the daughter of a millionaire crashes in an African jungle, two pilots set out to collect the reward. They discover that she has become the goddess…

During WWII, Duke E. Gifford is second in command of the USS Thunderfish, a submarine which is firing off torpedoes that either explode too early or never explode at all….

White hunter Captain Fry tries to take Tarzan back to civilization, caged for public display. He arrives in the jungle with Jane’s cousins, Eric and Rita, who want Jane’s help…

Saved from a lynching party by a pair of young women, an itinerant cowpuncher signs on as a stagecoach guard to protect a shipment of gold.

Nick Condon, an American journalist in 20s Tokyo, publishes the Japanese master plan for world domination. Reaction from the understandably upset Japanese provides the action, but this is overshadowed by…

Fort St. David, Cuddalore, southern India, 1748. While colonial empires battle to seize an enormous territory, rich in spices and precious metals beyond the wildest dreams, and try to gain…

A desert pickpocket, his sidekick, and an escaped slave help an incognito queen in danger.

When bookseller Buzz cons Diana into thinking that his friend Stanley knows all there is to know about Africa, they are abducted and ordered to lead Diana and her henchmen…

An expedition tries to enlist Tarzan’s help in finding the secret Blue Valley, which legend says is the location of a miraculous fountain of youth.

Japanese master spy Daka operates a covert espionage-sabotage organization located in Gotham City’s now-deserted Little Tokyo, which turns American scientists into pliable zombies. The great crime-fighters Batman and Robin, with…