Slip gets fired from his job at a construction company for decking his boss. His sister, who got him a job at the company, is angry with him. Slip manages to get a job with the District Attorney serving warrants, as does Sach. Through his job, Slip finds out that all is not quite kosher at his old construction company, and that his sister may be in danger.
In order to be able to get the names of winning horses at the track, Sach agrees to sell his soul to the devil.
The Bowery Boys take on British crooks when one of them thinks he's inherited a title.
Slip has entered the Boys' rattletrap car in a souped-up jalopy race, but has no chance of winning until Satch, with the aid of a scientist acquaintance, comes up with a chemical concoction that acts as a super-fuel; but a rival entrant in the race learns of this and tries to get the formula for himself.
The Bowery Boys are enrolled in a fancy college by a pair of rich snobs who think they can turn the Boys into classy guys. Sach becomes a football star, and is kidnapped by gangsters to keep him out of the big game.
The Bowery Boys find a lamp that has strange magic powers.
A man wins $50,000 in a card game with gamblers, but is soon found dead and the money missing. Slip and Sach find the money near where the body was discovered, and soon find themselves the target of both the police and the gamblers.
Sach and the gang fool Nazis and a sultan in North Africa.
Sach and the gang baby-sit a bratty TV star.
Slip and the gang foil foes of the exiled, incognito king of Truania.
Sach and the gang (Bowery Boys) find stashed cash in an old farmhouse apparently haunted.
When one of the Boys agrees to be hypnotized, he discovers he led a past life in the 1600s as a British tax collector.
One of the Bowery Boys gains superhuman strength, and he cashes in by becoming a pro wrestler.
An overambitious shutterbug almost gets his lights put out permanently when he decides to snap a picture of a mob boss.
Sach learns that he has inherited a farm in rural hillbilly country, and when he and the Boys arrive there, they find themselves mixed up with a hillbilly clan named Smith who'll shoot anybody named Jones, plus a gang of bank robbers.
When a cold medicine causes Sach to be able to smell diamonds, he and the rest of the Bowery Boys are induced by a diamond dealer to accompany him to Darkest Africa in search of a legendary cache of them.
The Bowery Boys tangle with Scotland Yard, diamond smugglers and a gem-toting canine during an ocean cruise.
Slip and Sach take the rap for a robbery they did not commit in order to uncover the real robbers, whom they suspect are led by a convict who gives orders to his gang outside via a short-wave radio stashed somewhere in the prison.
The Bowery Boys open a nightclub after Sach has his tonsils out and wakes up with a singing voice.
Slip, Sach and the gang think an air-raid test is for real and join the Army.