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 lead an investigative mission into outer space and onto the speedily approaching planet. There, he and his best girl, Dale, who is along for the ride, learn that Ming, the devious ruler of Mongo, has purposely put the planet on a collision course with Earth, and only Flash can stop him.

A freedom-loving French journalist sacrifices his happiness and security to battle Nazi tyranny.

Major Joppolo and his men are assigned to restore order to the war-torn Italian town of Adano. He has to manage getting supplies into town without interfering with troop movements, all the while dealing with colorful citizens of the town. One of his quests is to replace the bell which orders the town's life.

A man tracks his kidnapped bride to a jungle island, where her twin is the high priestess.

Story of an investment agent who embezzles a large sum from an estate, hoping to cover his crime by marrying the estate's heiress. The girl is already engaged, so he arranges to have the fiance killed. A mix up involving the society section of the newspaper places him in the sights of his own hired gun.

The title character, played by John Payne, is a ship's captain whose embittered behavior after losing his lady love seemingly leads to tragedy. Accused of deliberately scuttling his ship during a typhoon, Captain China hopes to clear himself by signing on as a common seaman on a vessel captain by his former first mate Brendensen. There's no love lost between the two men, and their mutual animosity is intensified when both fall in love with beautiful passenger.

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.

Bill Burnett, a resident of Bali, visits New York City, meets and falls in love with Gail Allen, the successful manager of a Fifth Avenue shop, who is determined to remain free and independent. Bill proposes, Gail declines and Bill goes home to Bali. But a young girl, Rosie, and Tony the Window Cleaner, who dispels advice on every floor, soon have Gail thinking maybe she was a bit hasty with her no to Bill's proposal. Ere long she discovers that she does love Bill and can't live without him. She goes down to Bali to give him the good news. He learns that he is soon to marry Noel Van Ness. She goes back to New York City.

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.

Victor Ballard, a happy-go-lucky albeit impoverished sidewalk photographer, shares a New York City studio apartment with Polish immigrant painter Stefan Janowski. The big city doles out joy and misery indiscriminately: In the apartment below Victor and Steve, Gus Nelson learns that his wife has given birth to quintuplets, while the lonely tenant in the apartment below Gus has given up on life and committed suicide.

A group of street kids battle a terrorist gang led by a Japanese spy.

Dick Tracy goes up against a villain known as The Ghost, who can turn himself invisible.

The Canadians have discovered a valuable substance called Compound X, which can cure infantile paralysis. When a country at war with Canada learns that Compound X also contains magnetic properties that could aid them in their warfare against the British, they send agents to infiltrate Canada and steal a large quantity of the substance. It's up to Sgt. King (Allan Lane) and his Mounties to track down the agents and put an end to their scheme.

Tom King Jr. seeks to discover who murdered his father, a Texas Ranger; the trail leads to a network of Axis spies.

Someone has absconded with $4,000,000 worth of diamonds, and that someone may very well be a passenger on the Bombay Clipper.

Steve Bell, Tommy, Pig, Ape, and String are run of town. Steve, while hopping a freight card and trying to avoid the brakeman, is killed. The boys meet Steve's mother, Alice Bell and Tommy is given a job in the storage garage which she owns jointly with Mack Steward. Steve's brother Don Bell is working with some gangsters by tipping them off on valuable merchandise that can be hijacked. Pig, Ape and String overhear Don's plans to use Tommy as the fall guy in the next hijacking.

Roy Rogers, a Nevada State Ranger Captain in charge of the Rangers Reclamation Service, makes a trip to Las Vegas for the annual Heldorado Frontier Days Festival, as he wants to help his old friend Gabby Whittaker who originated the idea (at least, in this film).In Las Vegas, Roy meets heiress Carol Randall, who has been selected as the Queen of the Heldorado. Roy is informed that the F.B.I. wants an immediate investigation of the counterfeit thousand dollar bills that are being passed over the gambling tables at the casino.

A pair head to the frozen wastes with an expedition in search of radium deposits. Certain members of the group succumb to greed, plotting to bump off the others and claim the radium for themselves.

Willis Newcomb and Bart Carroll head a gang engaged in smuggling wanted-American criminals back into the United States from Mexico. Operating from Sharperville, an oil town on the American side of the border, they transport their human cargo in oil drums loaded on trucks. Border Patrolman Tom Sharper intercepts one of the trucks but is overpowered and left for dead. Carroll, having already been paid for the job and not wanting any evidence to walk around, get caught and lead back to him, backs the human-cargo trucks to the edge of a cliff and sends the drums crashing to the boulder far below. Judge Cookie Bullfincher and Border Patrolman Roy Rogers conduct a search for the missing Tom, but the crooks have gone back for him and find him in a state of amnesia. They rob the bank and pin it on Tom. It is now up to Roy to clear his friend and also put an end to Carroll's human-smuggling racket.

The Dead End Kids join the war effort in this feature-length version of the Universal serial Junior G-Men of the Air. The fiendish Black Dragon Society, led by the sinister Baron (perennial B-movie villain Lionel Atwill) plots to pave the way for an Axis invasion of the U.S.A. by destroying America's defenses. When their plans are discovered by the Dead End Kids, the gang is too suspicious of "the coppers" to ask for help. The FBI send in their Junior G-Men to stop the spies, but when one of the Dead Enders is kidnapped, the two groups must work together to smash the Black Dragons once and for all!