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

In 17th century France, young D’Artagnan wants to join the King’s Musketeers, but instead befriends three legendary musketeers—Athos, Porthos, and Aramis—and together, they become embroiled in the political intrigue surrounding…

Dick Tracy battles spies and saboteurs in his efforts to bring to justice the Stark gang, a criminal family led by the vicious Pa Stark.

After fighting in the Crusades alongside Richard I of England, Sir Allan Claire returns home to marry his betrothed Lady Christable. Accompanied by his sister Lady Marian, the two are…

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.

In Africa, a deceased medical missionary’s daughter in Africa carries on her father’s work. Before long, she finds herself in danger from crooks and a local witch doctor.

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.

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…

While trailing Forest Ranger Charles Carter, who is suspected of permitting lumber man Henry Mitchell to cut restricted timber, Gene fires at a dangerous mountain lion and apparently kills Carter….

The new commander of a Navy Underwater Demolition Team–nicknamed “Frogmen”–must earn the respect of the men in his unit, who are still grieving over the death of their former commander…

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”.

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….