King of the Royal Mounted

Montana Marshals Gene and Scat are tracking some bank robbers. When the baddies cross into Canada, t...

An orphan bear cub hooks up with an adult male as they try to dodge human hunters.

Tarzan spurns the love of La, Queen of Opar. When he isn't trying to keep the Bolshevik Rokoff and C...

Columbia's 34th serial production starring Buster Crabbe, the Serial King himself

An Air Force captain is assigned to find some missing top-secret microfilm.

In time-honored fashion, a couple of supporting players -- George Dolenz and Bill Kennedy -- found t...

A 15-episode serial in which Beatty goes to darkest Africa to rescue the Goddess of Joba, who is bei...

An accomplished aviator sets out to locate treasure hidden by one of his ancestors. He encounters i...

A famous scientist invents a humanoid robot (the titular "monster"), so a greedy rival scientist pla...

Man-woman team of investigators uncover a gang whose mad scientist leader has developed an invisibil...

Dr. Ernst Grood , having already dominated the planet Ergro, now intends to take over the control of...

Greedy traders have kidnapped a researcher, hoping he will reveal the location of a treasure in a hi...

A team of two-fisted insurance investigators (one of whom disguises himself as The Masked Marvel) e...

Congo Bill is hired to locate an heiress lost somewhere in Africa.

Captain Bob Dayton and Lieutenant Ed Carey are partners in a company called "Sky Raiders" which seek...

Four youthful cadets are implicated in a series of murders, and must attempt to clear themselves of...

An escaped criminal impersonates a Police Commissioner, causing no end of trouble to a determined Fe...

A Martian invader crashes his spaceship conveniently close to the workshop of a scientist who is dev...

Claire Forrest seeks her kidnapped scientist father, hidden somewhere on Mystery Island. He is hel...

Only Episode 7, "The Hooded Helper," of this 20-Episode Serial is known to survive. All other episod...