Editing
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.
Holmes and Watson board a passenger train bound from London to Edinburgh, to guard the Star of Rhodesia, an enormous diamond worth a fortune belonging to an elderly woman of wealth; but within the first hour of the trip, the woman's son is murdered and the diamond stolen and any of the passengers in their car could be the killer thief.
A fugitive, dangerous madman reaches an English village where he confronts his former partner who left him for dead in the jungle after their discovery of a diamond mine. When the former partner also claims to have since lost the mine and all its wealth, which he took all for himself, and though the partner is still living in a state of luxury , the madman takes up an offer from a crazed scientist to make him invisible, something the scientist has already done with experimental animals, so that he can take revenge.
Desmond plays convict Mike Gilbert, who goes on the lam with fellow prisoners Gruber and Graham when he finds out his wife is divorcing him and feels he has nothing to lose. Gruber intends to get his robbery loot, which his father, Curly, has successfully hidden from the law. After commandeering a plane, they double-cross Graham, who assembles his gang to get revenge - and Gruber's loot. Meanwhile, Gilbert falls in love with Robbie, his ex-wife’s sister. Through Robbie’s influence, Gilbert decides to go straight, but his cohorts aren’t quite so willing to reform.
"Red" Davison(Buck Jones), the sheriff of Sun Dog, sacrifices his job and his good name to save his best friend, "Silent" Slade from the hangman's noose, following a framed-up court decision which sentences Slade to hang for the murder of "Scotty McKee (J.P. McGowan). Davidson allows Slade to escape from jail and follows him to aid him in proving his innocence.
After the King of Rovenia has been assassinated, Holmes and Watson are engaged to escort his son to Europe via Algiers, aboard a transatlantic ocean liner which also carries a number of suspicious persons, any of whom may be involved in a plot to also assassinate him.
A convicted thief in Dartmoor prison hides the location of the stolen Bank of England printing plates inside three music boxes. When the innocent purchasers of the boxes start to be murdered, Holmes and Watson investigate.
A falsely convicted man's wife, Catherine, and an alcoholic composer and pianist, Martin, team up in an attempt to clear her husband of the murder of a blonde singer, who is Martin's wife.
Carpathian Count Alucard is invited to the U.S. by a young heiress. Her boyfriend and local officials are suspicious of the newcomer, who is interested in the "virile" soil of the new world.
A mad scientist attempts to rule the world by creating various elaborate inventions.
An Egyptian high priest travels to America to reclaim the bodies of ancient Egyptian princess Ananka and her living guardian mummy Kharis. Learning that Ananka's spirit has been reincarnated into another body, he kidnaps a young woman of Egyptian descent with a mysterious resemblance to the princess. However, the high priest's greedy desires cause him to lose control of the mummy...
Edited version of the 1939 Universal serial "Buck Rogers." A 20th Century pilot named Buck Rogers and his young friend Buddy Wade awake from 500 years in suspended animation to find that the world has been taken over by the outlaw army of Killer Kane.
Global panic ensues when it is revealed that a mysterious UFO is actually a giant turkey-like bird that flies at supersonic speed and has no regard for life or architecture.
Jeff Scott is sent to investigate problems with wagon trains attempting to make the journey to Oregon. Sam Morgan has sent his henchmen, under lead-henchman Bull Bragg, to stop the wagon trains in order to maintain control of the fur trade in the area.
The stooges don't know it, but they are all engaged to the same girl, a gold-digger who plans to get an engagement ring from each of them and then abandon them. When all three show up at her house at the same time, a wild fight ensues, as each stooge accuses the others of making time with "his" girl. The gold-digger gets it in the end (literally) with tacks shot from a repeating rifle.
A famous scientist and his beautiful daughter travel to Indochina to find an ivory disc that has the formula for a deadly gas engraved on it. An evil doctor and his gang are also looking for it.
The Good Comrades are a collection of varied gentlemen who crave one thing - solitude. They reside at Drearcliff House, ancestral home of their eldest member. All seems serene and convivial until one by one the members begin to perish in the most grisly of manners. Foul play is suspected by the Good Comrades' insurance agent, who turns to Sherlock Holmes and Dr. John Watson for guidance.
Eleven Gilbert & Sullivan numbers are melded within the murder-mystery plot of "Girl on the Spot", with a result that either G&S and/or the plot are always seemingly on stage-wait or in the wings awaiting a cue. Lois Collier is the girl-on-the-spot of the title because she was on the scene of a murder. The police conclude she didn't do it and they use her to set a trap for the real killer, a G&S addict, by financing a Broadway production starring Collier.
A heavy condensation of the 1936 serial Flash Gordon, with altered musical score. Flash Gordon, Dale Arden and Dr. Hans Zarkov visit the planet Mongo to thwart the evil schemes of Emperor Ming the Merciless, who has set his planet on a collision course with Earth. Released abroad as "Flash Gordon" for countries not interested in booking the serial, and never shown in the USA before 1950, where the title was changed to "Rocket Ship".
Buck Rogers and Buddy Wade are in the middle of a trans-polar dirigible flight when they are caught in a blizzard and crash. Buddy then releases a special gas to keep them in suspended animation until a rescue party can arrive. However, an avalanche covers the craft and the two are in suspended animation for 500 years. When they are found, they awake to find out that the world has been taken over by the outlaw army of Killer Kane. Along with Lieutenant Wilma Deering, Buck and Buddy join in the fight to overthrow Kane and with the help of Prince Tallen of Saturn and his forces, they eventually do and Earth is free of Kane's grip.