Best movies like Mysterious Doctor Satan

On a scientific expedition to Siam young Billy Batson is given the ability to change himself into the super-powered Captain Marvel by the wizard Shazam, who tells him his powers will last only as long as the Golden Scorpion idol is threatened. Finding the idol, the scientists realize it could be the most powerful weapon in the world and remove the lenses that energize it, distributing them among themselves so that no one would be able to use the idol by himself. Back in the US, Billy Batson, as Captain Marvel, wages a battle against an evil, hooded figure, the Scorpion, who hopes to accumulate all five lenses, thereby gaining control of the super-powerful weapon

A mad scientist changes his simple-minded handyman into a werewolf in order to prove his supposedly crazy scientific theories - and exact revenge.

The Daily Clarion hires detective story writer Steve Colt to investigate the deaths of a group of scientists working on an atomic rocket development project. Behind the killings is fortune teller Sombra, a spy from an Asian country intent on world domination, who is determined to pilfer the atomic rocket by luring workers from the project to her parlor and killing them with black widow spider venom when they refuse to cooperate.

The Shadow battles a villain known as The Black Tiger, who has the power to make himself invisible and is trying to take over the world with his death ray.

Pulp hero "The Spider" seeks to destroy all criminals. In this serialized adventure, he battles The Octopus, who intends to replace the government of the United States.

Based on a successful comic book that began in 1941, the Blackhawks were seven flyers who banded together during WW II to fight the Nazis. After the war, they continued to fight evil where ever they find it. In this movie, they are battling a group of spies and saboteurs bent on destroying democracy. The Blackhawks foil a succession of plots, with a cliff hanger ending in each episode.

A madman sets out to destroy a group of Chinatown merchants.

Jean Evans of an international wildlife foundation, who is known to Africa as 'the Panther Girl' because of her bravery in jungle living, stumbles on a plot by a mad scientist to frighten the natives out of a diamond-laden district by chemically growing crayfish to giant size, and enlists the aid of a game hunter friend to prevent a monster rampage and bring the culprits to justice.

Michael Shayne mystery involving counterfeit tickets at a race track.

The Wrecker wrecks trains on the L & R Railroad. One of his victims is Larry Baker's father. Baker wants to find the evildoer, among a host of suspects, but it will be difficult since the Wrecker can disguise himself to look like almost anyone

Dick Tracy's foe for this serial is the crime boss and Masked Mystery Villain The Spider/The Lame One and his Spider Ring. In the process of various crimes, including using his Flying wing and sound weapon to destroy the Bay Bridge in San Francisco and stealing an experimental "Speed Plane", the Spider captures Dick Tracy's brother, Gordon. The Spider's minion, Dr. Moloch, performs a brain operation on Gordon Tracy to turn him evil, making him secretly part of the Spider Ring and so turning brother against brother.

During the latter stages of the Civil War, a gang of supposed Confederates, headed by Alex Morel (Lionel Atwill), raid all gold shipments destined for Washington from Oro Grande, California. Can they be brought to justice?

The heirs of Anton Benson are searching Bensonhurst for hidden gold; they are joined by a reporter, a gangster...and a masked fiend known as The Iron Claw.

Going undercover as the notorious "Waco Kid," U.S. Army Captain Jeff Packard manages to infiltrate a gang of gold-shipment thieves lead by nasty Walt Anderson. But Anderson and his gang are not the only troublemakers around: Packard must also contend with Geronimo and his Apache warriors, who are demanding guns in exchange for peace.

Filled from front to back with stock footage taken from the Columbia serials "The Phantom-1943" and, primarily, "The Desert Hawk-1944", with John Hart and the always-dull Rick Vallin making less-than-adequate substitutes for Tom Tyler and Gilbert Roland, this Sam Katzman "production" finds the mighty jungle avenger and legendary Captain Africa - A "Phantom" rip-off that side-stepped the need to pay King Features another fee for using the character - pledging to see that the legitimate Arabian caliph, Hamid, is restored to the throne which a tyrannical rival has usurped. He is joined in this enterprise by adventurer Ted Arnold, wild-animal trapper Nat Coleman, and his assistant Omar and, to cover all bases

Jesse James returns to Missouri, and he and brother Frank come to the aid of a young woman who owns a gold mine. Her father was murdered and she took over the mine, and now the villains who killed her father are trying to drive her out of the mine so they can take it over.

Larry Clarke rides into the town of Mesa, Arizona, from Texas, where he has just sold his ranch. Several people call him "Ted Crockett",who supposedly has been dead for five years, and a bartender advises him to say he is Crockett, as he can aid the law abiding citizens that way. Both Red Grindy, leader of the town's badmen, and Sheriff Ben Adams are fooled by Larry's resemblence to Crockett, as is Crockett's young widow, Mary, until Larry convinces her his isn't. He finds that all of the Crockett cowhands, with the exception of Neal King, are systematically rustling Mary's cattle. Larry takes charge, sends to Texas for his riders and then brings to an end the reign of terror Grindy and his men have over the territory. Creased in the head by a gunshot, Larry is freed of his amnesia and turns out to actually be Ted Crockett.

A blackmail threat from an old prison buddy compels a man who has gone straight to consider yet another crime.

Buffalo Bill Cody battles a gang of outlaws secretly headed by an unscrupulous lawyer.

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.

Columbia's 12th serial of 57 total (following 1940's "Deadwood Dick" and ahead of 1941's "White Eagle") is another of director's James Horne's "classics" where he evidently figured that the same reactions that served him well in Laurel and Hardy films would work well in action serials where he has all hands, heroes and villains alike, doing some kind of over-the top "take", no matter the situation. This loose adaptation of an Edgar Wallace story finds Michael Bellamy (Kenne Duncan in his Kenneth Duncan period) inheriting Garr Castle, but his brother, Abel Bellamy (James Craven, as usual making Oil-Can Harry look smooth), has him imprisoned unjustly and moves into the castle himself. When Michael's wife, Elaine Bellamy (Dorothy Fay), fails to return after visiting Abel, her sister Valerie Howett (Iris Meredith), accompanied by their father,

A Professor has an invention that will bring down planes causing them to crash and Dawson is forcing him to use it on those carrying money. When Tim arrives to investigate he is mistaken for a noted outlaw. So he assumes that identity to force Dawson to make him a partner. But just as a plane bringing Tim help is arriving, his true identity is revealed and while he is a prisoner, Dawson forces the Professor to start his machine.

An adventure serial presented in 12 chapters. Inventor Thomas Edmunds uses a super plane, 'The Phantom,' to protect his new anti-gravity invention, the Contragrav, from theft.

Ken Williams is determined to discover the identity of the mysterious Rattler, who preys upon railroads and transportation companies like that owned by Jane Corwin. The Rattler is especially difficult to catch because of his skill at disguising himself as other people.

Government agents try to thwart smugglers, while some sort of plot unfolds, about a hidden treasure revealed by cursed coins.

Beasley, who is after Gayner's land, plans to kidnap his daughter. But Dale overhears their plan and kidnaps her himself. When Gayner arrives to retrieve his daughter, Beasley kills him and makes the Sheriff arrest Dale for the murder.

Mandrake and his team attempt to prevent "The Wasp" from stealing and using a new Radium invention.

Before the outbreak of WWII, Nazi sympathizers plot to undermine America.

Scientists assembled to prove their methods are effective in criminal investigation try to solve a series of murders.

Reporter Brenda Starr (Joan Woodbury) and her photographer Chuck Allen (Syd Saylor) get involved in a search for the loot from a payroll robbery. Cliffhanging action and adventure and a fair amount of comic relief follow them at every turn.

A movie serial in 13 chapters: Some swampland becomes valuable, and various factions squabble over ownership of it.

Both Indians and cowboys are after a beautiful stallion, the leader of a pack of wild horses.

An army sergeant recognises a young recruit as the man responsible for his brother's death, while attempting a robbery.

Corporal Larry Grant and Sergeant "Mac" McGowan, of the United States Marine Corps, are rival for the love of Frances Schiller, but team up to hunt down "The Tiger Shark," a mad, scientific wizard who is holding Sergeant William Schiller, Frances' brother, a prisoner on a wild, jungle island in the Pacific.

Esmeralda is a cook in a diner in a small Arkansas town. When a gang of crooks moves into town and plots a bank robbery, Esmeralda unintentionally wrecks their plans, resulting in fame for Esmeralda as the crime-fighting "Tiger Woman," but also further complications.