After The Daily Planet receives a letter from a mad scientist threatening to wreak destruction with his Electrothanasia Ray, Lois Lane heads out in...

Aliens have landed and are hiding on Earth, but need Earth’s scientists to help them fight an inter-planetary war.

Mad scientist works on a death ray in his mountain hideaway.

When the ancient continent of Mu sank beneath the ocean, some of its inhabitant survived in caverns beneath the sea. Cowboy singer Gene Autry...

Kronos, hero of a distant galaxy, tangles with mad scientist Gulik over the fate of mankind.

When delusional madman Roxor kidnaps a scientist in hopes of using his death ray to achieve world dominance, he is opposed by Chandu, a powerful...

Secret Agent Bart Fargo chases the kidnappers of the inventor of a death ray.

A secret agent is assigned to capture a criminal gang that is threatening to destroy Earth with a death ray.

A sci-fi/espionage film in which world powers vie for control of a death ray during World War I as an undercover countess infiltrates enemy ranks to...

An evil prince plans to use a super-explosive to take over the world.

A secret agent investigates the death of the scientist who created a deadly ray only to find out his own wife is involved.

A scientist discovers a death ray and locks it in a box, giving the key to his daughter, who soon finds herself hunted by criminals looking to steal...

David Phillips (Patrick Macnee) is running down the darkened streets of London's Limehouse district, pursued by two men with guns. He finds a public...

British inventor Harry Grindell Matthews demonstrates what he claims to be a directed energy weapon which has the potential to revolutionise warfare...