Secret Service of the Air

T-Man Brass Bancroft goes undercover in a prison which has a secret counterfeit operation set up in the print shop.

Secret Service agents try to solve the theft of treasury banknote plates.

Enemy agents are everywhere and they are sabotaging all important war deliveries. The body of a hobo found in a train wreck had a money belt with $50,000 and a tattoo of a circle and arrow. This is a tattoo for saboteurs for hire and Brass must impersonate the dead man to find out what his orders are. As Steve Coe, he meets with the band of enemy agents in California and everything goes well until the wife of the dead 'Hobo' shows up. Luckily, Gabby is able to save Brass and Brass learns what is his assignment. He is to board the USN airship 'Mason', which is testing the super secret Inertia Projector, and destroy the airship.

Young heiress Helen Stuart is engaged to Monty Barnes, a restless young man. Since Helen is not yet 21, her estate is controlled by her guardian and uncle, Jack Peasley, who is not above using Helen's money for his own purposes. He takes a large chunk of her money to buy a block of railroad stock, that turns out to be worthless. Red Sweeney, who sold him the phony stock, assures him that if Helen marries before she turns 21, she'll never know the money's missing because the estate will revert to him, as her guardian. They force her to marry Monty, who is unaware of their scheme. Complications ensue.

A henpecked husband and his bossy wife are due for a surprise when the wife's former boyfriend unexpectedly turns up.

Los Angeles cop goes undercover to catch a gang of murderous thieves.

A singing secret agent tracks down renegades at President Lincoln's request.

The governor of Texas sends a cowboy to keep the peace between ranchers and a land baron.

When he has to pay a debt to a fearsome money lender, a man accepts the help of a friend who takes him to a scientist where he can sell his body, but things get worse than expected.

Klondike the German Shepherd dog works with the Northwest Canadian Mounted Police to track down smugglers.

A small town farmer, who happens to be very wealthy, meets and falls for an actress, but his friends warn him she's only interested in his money.

A singing cowboy (Dick Foran) thwarts a thieving judge and courts a woman (Anne Nagel) in Texas.

A female private eye joins forces with a police detective to investigate the suspicious murder of a millionaire.

Torchy Blane and Steve McBride try to nab a gangster by tracking his moll.

The final feature in the "Dead End Kids" film series finds a youth trying to adjust to life at a military school.

Carpet-sweeper manufacturer John Bower has no patience with inefficiency, lawyers, or vacuum cleaners. He's a bit of a skinflint, too. His family thinks he works too hard. He feels inferior for not having gone to college, so now he doesn't want his children going, either. His daughter Connie is afraid to break the news of her engagement to Gary Lee, especially since not only is Gary a lawyer and a college grad, but his father owns a vacuum-cleaner company, too.

Tony and Freddie, who have been rivals all their lives, vie for the hand in marriage of their childhood sweetheart. Big Freddie has the upper hand when Tony gets himself kidnapped by a ring of muggers whose M.O. is to have one of their members dress up as a woman to lure men into the back seat of their limousine, where they are beaten up and robbed.

A fire in the mountains drives a wolf pack into the nearby desert where they terrorize the local residents. The leader of the wolf pack is Lobo, actually a halfbreed (Rin Tin Tin). When the pack is discovered hunting a herd of cows, a posse gives chase. Lobo leaves his pack to lead the posse away. He is injured and found by a local prospector, Dave Weston (Charles Farrell). The prospector nurses Lobo back to health and the two become close friends. Meanwhile, Weston has made a Borax find in the area. His girlfriend May Barstowe (June Marlowe), daughter of a wealthy rancher, is pleased. However, the local chemist, Borax Horton (Pat Hartigan), actually a claim jumper, plans to steal the claim.

In this comedic short, when a waiter accidentally knocks out boxing champ Tiger Dorsey in Slapsie Maxie's restaurant, Maxie arranges a boxing match between the reluctant waiter and the champ.