A 12 episode serial starring Rex, the King of the Wild Horses and Rin-Tin-Tin, Jr. Rex is brought from the island of Sujan, where he is worshiped as a God-Horse, to the U.S. to be trained as a polo pony. He escapes, meets Rinty and with the help of Frank Bradley is returned to Sujan. The natives have been persuaded to turn against their God-Horse, however he is rescued just in time before he is burned as a sacrifice.
Down-on-his-luck John Ellman is framed for a judge's murder. After he's convicted and sentenced to death, witnesses come forth and prove his innocence. But it was too late for a stay to be granted and Ellman is executed. A doctor uses an experimental procedure to restore him to life, though the full outcome is other than expected.
Sylvia Walton returns from Harlem to take over a Jamaican plantation from her vindictive half-sister, amid the growing sound of drums.
On a scientific expedition to Siam young Billy Batson is given the ability to change himself into the super-powered Captain Marvel by the wizard Shazam, who tells him his powers will last only as long as the Golden Scorpion idol is threatened. Finding the idol, the scientists realize it could be the most powerful weapon in the world and remove the lenses that energize it, distributing them among themselves so that no one would be able to use the idol by himself. Back in the US, Billy Batson, as Captain Marvel, wages a battle against an evil, hooded figure, the Scorpion, who hopes to accumulate all five lenses, thereby gaining control of the super-powerful weapon
After The Daily Planet receives a letter from a mad scientist threatening to wreak destruction with his Electrothanasia Ray, Lois Lane heads out in the hopes of getting more information for a news story.
Superman battles a criminal mastermind and his robot army.
Robbers target a special train carrying a billion dollars worth of gold, and the only one who can stop them is Superman!
A frozen Tyrannosaurus rex is found and put on display in a museum, but when he thaws out and revives, Superman has to stop his rampage!
Criminals with rocket powered car loot and extort the city, and only Superman can stop them!
When police interfere with a reckless scientist's experiment, it creates a deadly meteor shower only Superman can stop.
A scientist uses an earthquake machine to threaten the city, and only Superman can stop his extortion plan!
Superman comes to the rescue when a volcano erupts.
When things go wrong at the circus, it's up to Superman to stop the escaped animals.
Superman's reputation is tarnished when a crook begins committing crimes in a Superman costume.
Using Clark Kent as a cover, Superman travels to Japan as a saboteur during the war.
Superman has to thwart wartime saboteurs tampering with things at the Metropolis Munitions Plant...who have captured Lois Lane and loaded her into a torpedo!
Egyptologists are attacked by mummies, drawing the attention of Superman.
Superman discovers a secret Nazi base in the jungle.
Superman has to save Lois Lane from a cult of hawk-people in an homage to Edgar Rice Burroughs's "At the Earth's Core".
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 the help of their allies, are in pursuit.