Private Eyes

After Slip is drafted into the Marines, the rest of the gang volunteers so they can be with him. Sach discovers that the colonel knew his father and he is promoted. During a drill that he is putting the rest of the gang through, they find a soldier left for dead on the side of the road. Slip discovers a playing card next to the marine and traces it to Jolly Joe Johnson's gambling house. They suspect that the gambling house is cheating and set out to uncover the proof.

The Bowery Boys--Slip, Sach, Bobby, Whitey & Chuck--start their own exterminating service, and get a job which takes them to a spooky old abandoned mansion in the middle of the night. Meeting up with pal Gabe and his new French bride, the boys are tormented by mad scientists who try to convince them the place is haunted and then kidnap Sach in order to place his brain inside a gorilla.

Slip and Sach are working for a local newspaper as a reporter and photographer, respectively. Slip wants to get the goods on a local gambling ring that is fixing sporting events, so he and Sach go undercover to expose the ring.

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

Slip (Leo Gorcey), Sach (Huntz Hall), Bobby (Bobby Jordan), Whitey (William Benedict) and Chuck (David Gorcey) 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 (Bernard Gorcey) Malt Shop. Sidewalk photographer Cathy Smith (Teala Loring) 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.

The Bowery Boys head west to clear Louie of an old murder charge that he had killed his gold-mine partner. Sach has the map to the gold mine painted on his back, and Blackjack McCoy has him kidnapped by Indian Joe. Gabe poses as a dangerous gunman, the Klondike Kid, while Slip is in charge of all the remaining loose ends.

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.

Slip, Sach and the rest of the Bowery Boys enter a haunted house, where they engage in slapstick with a gorilla, a robot and a vampire

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.

The Bowery Boys take on British crooks when one of them thinks he's inherited a title.

The Bowery Boys: 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 find a lamp that has strange magic powers.

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

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.

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

Slip and Sach (Bowery Boys) go to prison to help a reporter with a story.

Sach and the gang baby-sit a bratty TV star.

Slip and the gang (Bowery Boys) foil foes of the exiled, incognito king of Truania (Sig Ruman).

Sach and the gang (Bowery Boys) find stashed cash in an old farmhouse apparently haunted.