The Marines Are Coming

Protecting himself in an attack by rustlers, Rancher Steve Holden believes he has killed one of the attackers, young Bud Mathews, who in reality has warned Holden of the rustlers' approach. Unaware that Mathews was actually killed by rustler boss Cass Barton, Holden heads out to Mathews' home town where he plans to tell the boy's family of his death but instead uncovers a plan by a local businessman to force Mathews' father out of his ranch.

Clyde Beatty, an animal trainer and circus star, leads a search for his missing girlfriend and her father who were on an expedition looking for a lost tropical island. Using a dirigible as his mode of transportation, Beatty and his band head off in search of the missing explorers only to crash their airship on the same island their friends are located. Battling wild animals and a gang of greedy men searching for gold, Beatty and his party must rescue his girlfriend and father all the while trying to escape their jungle island. Feature version of the same-title serial of the same year, with refilmed sequences substantially altering the plot and characters of the original chapterplay.

In 1775, Daniel Boone settles Kentucky, despite menacing Indians and renegade whites.

After Fred von Bergen, a German immigrant in America, is forced from his job by anti-German hysteria before the first world war, he and his friend Bob Wilson leave America and join the German air force. There, both men fall in love with ambulance driver Alida Hoffman. When America enters the war, Bob is caught between loyalty to his home country and the threat of execution for desertion and treason to Germany. It remains for his friend Fred to extricate him from the dilemma - but at what cost?

The plot revolves around a rivalry between sand-hog "Hard Rock" Harrigan (O'Brien) and his foreman Black Jack Riley. At the center of their conflict is their mutual affection for heroine "Andy" Anderson (Irene Hervey). But when the chips are down and Riley is trapped in a tunnel cave-in, it is Harrigan who comes to the rescue.

A federal agent goes undercover in order to capture a gang that's been smuggling munitions and horses near the Texas border.

Having acquired the controlling interest in the Eureka Discovery Corporation for five-hundred dollars, and selling half of it to a detective for two-hundred dollars, Bob Harvey ('Richard Arlen' )qv)) sets off with his new partner to find the buried treasure of San Capello---with very strange consequences.

Running from the law, Jim Hall joins Hays’ gang. Hays is foreman on the Herrick ranch and plans to rustle Herrick’s cattle. Attracted to Herrick’s sister Helen, Jim decides to tell the Sheriff about the raid. But when his plan is overheard he is made a prisoner.

A cowboy and a bandit face off over possession of a valuable mine.

Gold mining cowboy western romantic melodrama (based on the story by Zane Grey) about a pair of cowboys who find a gold mine in "Thunder Mountain", but have no money to develop it. One of the cowboys rescues a girl on a stagecoach and her grateful father agrees to finance them. Along the way, she pretends to fall in love with one of the cowboys. Thinking he is about to be very rich, he sets out, but upon arrival, he finds that a bad man has stolen the claim and started a town. There, everyone turns on him, including the girl, but luckily, another pretty girl, a barmaid (who is secretly in love with him), sticks by him, and he ends up in a climactic shootout on the mountain where the gold is stashed.