What Happened to Mary

Two marine lieutenants battle a masked would-be world conqueror who uses electricity as a weapon.

An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters interference from various adversaries.

Disaster seems imminent when scientists discover that the planet Mongo is about to crash into Earth. Luckily, heroic young Flash Gordon is on hand to...

In time-honored fashion, a couple of supporting players -- George Dolenz and Bill Kennedy -- found themselves elevated to starring roles in this...

A pretty movie star is stalked by a strange gang whose leader is infatuated with her in this superior Pathé serial written by genre specialist...

Tarzan spurns the love of La, Queen of Opar. When he isn't trying to keep the Bolshevik Rokoff and Clayton (pretender to the Greystoke estate) from...

Columbia's 33rd serial (made between "Jack Armstrong" and "The Sea Hound") was based on the character that first appeared in "Action Comics" No. 42.

A masked hero called "The Eagle" leads California ranchers in a struggle against Russian Cossacks who are plotting to take over California and turn...

A 14-episode serial in which Mala, a Polynesian in the employ of U.S. Intelligence investigates sabotage on Clipper Island. A gang of spies causes...

A young newspaperwoman travels to a South Seas island to search for buried treasure.

A movie serial in 12 Chapters: US naval officer Don Winslow is given command of Tangita Island, near Pearl Harbor, where a ring of saboteurs is...

A superhero known as The Black Commando battles Nazi agents who use explosive gases and artificial lightning to sabotage the war effort.