Test space rockets exploding at liftoff and increased reporting of UFO sightings culminate in a direct attempt by alien survivors of a dead, extra-galactic civilization to invade Earth from impervious flying saucers, using ray-weapons of mass destruction.

A hugely successful DA goes into private practice after sending a man to the chair -- only to find out later he was innocent. Now the drunken attorney only seems to represent criminals and low lifes.

Dardo, a Robin Hood-like figure, and his loyal followers use a Roman ruin in Medieval Lombardy as their headquarters as they conduct an insurgency against their Hessian conquerors.

When the bank is robbed, Gene and the boys are singing nearby and the Chief arrests them as gang members but lets them go thinking they will lead them to the others.

Shortly after Pearl Harbor, a squadron of PT-boat crews in the Philippines must battle the Navy brass between skirmishes with the Japanese. The title says it all about the Navy's attitude towards the PT-boats and their crews.

Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is held and forced to work on diabolical inventions by Captain Mephisto, a costumed villain.

Pretty Girl Barbara Mededith takes over her murdered brother's crusading newspaper. She also assumes the dead sibling's identity as "The Black Whip," righting the wrongs of Crescent City very much in the manner of her famous ancestor, Zorro.

A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) endeavor to discover and thwart the loathsome saboteur Sakima.

When a woman turns outlaw, she is suspected of murder.

A mad scientist named Dr. Satan plots to steal key pieces of technology to enable him to build an army of robots based on his prototype to conquer America. The only one standing in his way is Bob Wayne, who fights Satan as the enigmatic Copperhead. Mysterious Doctor Satan is a 1940 film serial named after its chief villain. Doctor Satan's main opponent is the masked mystery man, "The Copperhead", whose secret identity is Bob Wayne, a man searching for justice and revenge on Satan for the death of his step-father. The serial charts the conflict between the two as Bob Wayne pursues Doctor Satan, while the latter completes his plans for world domination.

Told in flashback, Depression-era bum Dan McGinty is recruited by the city's political machine to help with vote fraud. His great aptitude for this brings rapid promotion from "the boss," who finally decides he'd be ideal as a new, nominally "reform" mayor; but this candidacy requires marriage. His in-name-only marriage to honest Catherine proves the beginning of the end for dishonest Dan...

Calvin Drake employs a group of low-lifes to drive away land owners along the path of a new railroad; Red Ryder opposes this strategy.

The nefarious Dr. Fu Manchu searches for the keys to the tomb of Genghis Khan, in order to fulfill a prophecy that will enable him to conquer the world. His nemesi, Dr. Nayland Smith and his associates fight to keep the evil doctor from getting his hands on the keys. In 1943 the serial was edited together into a feature movie also called Drums of Fu Manchu.

U.S. Marshal Hopalong Cassidy is called when a town becomes overun with bad guys. Disguised as a member of a medicine show, Hoppy discovers that the ringleader is none other than sweet li'l ol' Ma Burton.

When three brothers join the Foreign Legion to escape a troubled past, they find themselves trapped under the command of a sadistic sergeant deep in the scorching Sahara. Now the brothers must fight for their lives as they plot mutiny against tyranny and defend a desert fortress against a brutal enemy.

Brass Bancroft and his sidekick Gabby Watters are recruited onto the secret service and go undercover to crack a ruthless gang that smuggles illegal aliens.

A naval officer is demoted for negligence and put in command of a run-down submarine chaser with a motley crew.

Investigators set out to capture a gang of thieves transporting stolen cash through the U.S. mail.

Brawling cable layer Steve Reardon doesn't want to marry girlfriend Edith but he also doesn't want her to date other men.

In the 1840's Mexico has ceded California to the United States, making life nearly impossible for the Mexican population due to the influx of land and gold-crazy Americans. Farmer Joaquin Murrieta revenges the death of his wife against the four Americans who killed her and is branded an outlaw. The reward for his capture is increased as he subsequently kills the men who brutally murder his brother. Joining with bandit Three Fingered Jack, Murrieta raises an army of disaffected Mexicans and goes on a rampage against the Americans, finally forcing his erstwhile friend, Bill Warren, to lead a posse against him.

Two Dartmouth football players fall in love with the same girl following college graduation.

A man escapes from prison, then joins up with a gang of stage robbers while at the same time working as a deputy in a distant town, hoping to ultimately find the outlaw who killed his father during a robbery years ago.

Sheriff is aided by Laramie who pretends to be an outlaw to infiltrate a gang of bootleggers. Laramie is attracted to Ellen, who is trying to activate an old mine. He helps her with the mine and captures the bootleggers.