An electric shock enables Sach to predict numbers, so the Bowery Boys are off to Las Vegas to win enough money at the roulette wheels to let their landlady buy an apartment building. Witnessing his winning streak, some gangsters decide to move in and find out his "system" for beating the odds.

A small town man inherits a significant fortune and takes his family to New York City whereupon they are continually shocked at the alien culture of the Big Apple.

Slip and the gang stray from newspaper work to detective work.

Two reporters search for a missing body in a wax museum.

Street kids get sent to the country, where they get mixed up in murder and a haunted house.

A boxer flees, believing he has committed a murder while he was drunk.

A paroled convict's efforts to improve conditions at a boys' reform school alarm the school's corrupt warden, who has been embezzling funds from the institution. He hatches a plan to derail the reformed convict's efforts and have him sent back to prison, and part of that scheme involves cracking down hard on the reform school's inmates.

In the slums, teenager Frankie Warren hangs out with a rowdy gang who one day knock him out in a fight. In court, the boys refuse to reveal who struck the knockout blow, and all are subsequently sentenced to a reformatory, cruelly run by two corrupt guards. New deputy commissioner Mark Braden arrives determined to change things, but despite the help of Frankie's sister, Mark's reform plans -- and Frankie's future -- may be sabotaged from within.

Slip, Sach, Bobby, Whitey and Chuck unsuccessfully try to sell a dilapidated car to a street cleaner for a fabulous amount, so they can get enough money to save Louie's Malt Shop. Sidewalk photographer Cathy Smith snaps a pictures of three bank robbers as they are fleeing a robbery but when the Bowery Boys and Cathy realize that Sach is also in the photograph, they break into the photo lab to destroy the negative, which might make the police think Sach was involved in the robbery.

Childhood chums Rocky Sullivan and Jerry Connelly grow up on opposite sides of the fence: Rocky matures into a prominent gangster, while Jerry becomes a priest, tending to the needs of his old tenement neighborhood.

The East Side Kids try to fix up a house for newlyweds, but find the place next door "haunted" by mysterious men.

A group of delinquents on their way to summer camp get stuck in a haunted house.

A Brooklyn pier racketeer bullies boat-owners into paying protection money but two fed-up fishermen decide to eliminate the gangster themselves rather than complain to the police.