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 boys buy a uranium mine out west, but when they get there they find that it's pretty much worthless. However, the local badmen are distrustful of these new strangers, and when they mistakenly get the impression that the mine is loaded with uranium, they hatch a scheme to get rid of the boys and take over the mine.

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.

A ghost helps the Bowery Boys capture a gang of crooks led by a mad doctor.

Slip, Sach and the gang think an air-raid test is for real and join the Army.

When Sach eats too much sugar, he goes into a trance whereby he's able to predict the future. Slip tries to make some money off of Sach by using him as a fortune teller in a carnival, until a mad scientist kidnaps Sach to use him in an intelligence-switching experiment with a monster.

The boys are working at the local boxing arena where their friend, Jimmy Higgins, is boxing. During a crooked match Jimmy is killed. The boys seek out his older brother, Johnny, a former boxer who gave up the sport rather than go crooked, and help train him to get back in the ring. They try to get him a shot at the title, and when they do the same crooked gangsters that were behind Jimmy's death try to get Johnny to take a dive.

Insurance salesman Milford Farnsworth sells a man a life policy only to discover that the man in question is the outlaw Jesse James. Milford is sent to buy back the policy, but is robbed by Jesse. And when Jesse learns that Milford's boss is on the way out with more cash, he plans to rob him too and have Milford get killed in the robbery while dressed as Jesse, and collect on the policy.