The boys get mixed up with a race horse & crooked gamblers

The Bowery Boys join the Navy to catch some crooks who are posing as sailors.

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.

The Bowery Boys open a nightclub after Sach has his tonsils out and wakes up with a singing voice.

While Louie is on vacation, the boys turn The Sweet Shop into a male escort service, and soon find a group of beautiful girls as their first clients.

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.

While working in a laundromat, the boys find a baby hidden among the linen. They soon find out that the baby, who is the heir to a fortune, has been abandoned by his mother so that her two evil aunts can't cheat her and the baby out of the inheritance. The boys determine to help the woman claim her baby's rightful inheritance from her aunts, who have hired gangsters to find and eliminate the girl, the baby and anyone who helps them.

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.

Slip and Sach are in the sidewalk star-gazing business when they see a murder committed in a room at the El Royale Hotel.

Slip and Sach are working as cleaners in a high rise building. They enter an office to clean it when a messenger hears them use Slip's given name, Terrance Mahoney. The messenger has a letter for "Terrance Mahonoey, Esq." and mistakenly delivers it to Slip. The letter informs Slip that he has inherited a mansion in Long Island. The boys then make their way to the mansion and find that it is inhabited by diamond smugglers. The real owner of the house shows up and helps save the day and defeat the smugglers and gives the boys the house as a reward.

Slip invites his cousin Jimmy to stay with his family after he is released from prison. However, Jimmy soon gets mixed up with an auto-theft ring.

Working for the New York Daily Chronicle, Slip and the boys seek to expose rumored gamblers fixing sports events.

Sach is given a post-hypnotic suggestion that turns him into a championship prizefighter.

The police commissioner asks some local street kids to toughen up his sissy son.

The East Side Kids are pursued by killers seeking a stolen necklace.

After having been framed by gamblers, Muggs is barred from riding in horse races. Since he can no longer race, he takes up a collection so Ma Brown, who owns the horses, won't have her stable foreclosed on. One of the gamblers involved in the frame, however, falls for Ma Brown's daughter and decides to come clean, confessing to the police about the frame.

Copy boys Muggs and Glimpy investigate a murder. They locate the ex-wife of the murdered man and become convinced she is innocent. They hide her from the police while they investigate.

Muggs, Glimpy and the rest of the Kids set about to Americanize affable young French refugee Jean Rogers. But after a disastrous baseball game, Jean is chased out of the neighborhood and told not to return.

Muggs and Glimpy, two East Side Kids in the army, return to their neighborhood, supposedly on furlough; actually, Muggs has been honorably discharged with a physical defect, but he tells no one of this. Danny, another East Side kid, is in jail because a large amount of medical supplies have been stolen from the warehouse where he works. Muggs see Spider, a new member of the gang, flashing a large amount of money around, and Muggs shrewdly turns toughie, boasting that he has a dishonorable discharge because of thievery. This leads Spider to confide in Muggs that he is the one who has been aiding in the theft of supplies from the warehouse, and he gets paid for the loot by Larry, operator of a nightclub where Muggs' sister, Milly, is an entertainer. Fingers, a henchman for Larry, kills Spider when he learns that Muggs has been let in on the operation. The police then suspect Muggs of killing Spider.