In ridding the area of muggers, the East Side Boys acquire a wealthy benefactor whose privileged son, unbeknownst to him, has fallen in with thugs.

A seemingly charitable soup kitchen operator (who moonlights as a criminology professor) uses his Bowery mission as a front for his criminal gang. Police attempt to close in on the gang as they commit a series of robberies, murders and bizarre experiments on corpses.

It is prior to the commencement of World War II, and Japan's fiendish Black Dragon Society is hatching an evil plot with the Nazis. They instruct a brilliant scientist, Dr. Melcher, to travel to Japan on a secret mission. There he operates on six Japanese conspirators, transforming them to resemble six American leaders. The actual leaders are murdered and replaced with their likeness.

A scientist keeps his wife young by killing, stealing the bodies of, and taking the gland fluid from virgin brides.

The town's leading citizen becomes a homicidal maniac after his wife deserts him.

The spiritual leader of an oriental country is dying. The leader's evil brother Khan is plotting to prevent Kashi, the youthful heir, from assuming his rightful position. Tarzan is summoned to protect Kashi and, in doing so, he must face Khan in three tests of strength.

Rejected by the Army, Marines, and Navy for being too young, the punks help the war effort by throwing fruit at a shop they believe is owned by a Japanese American. Confronted by him wielding a short sword, the gang decides to come back at night but find him dead.

The East Side boxing champion Muggs answers a challenge to a fight against the West Side champ but just before the match he is kidnapped. His friend Danny Lyons takes his place and wins the fight, only to have Mugs believe that Danny was responsible for his kidnapping.

Jai, the orphaned boy adopted by the Monkey Man, helps missionary Charity Jones bring an organ to a friendly tribe, but they are captured by hostile natives.

A down-on-his luck actor teams up with a singing barber to do a vaudeville act. Its success eventually leads them to Broadway, but things start to go awry.

Tarzan tries to stop a bloodthirsty Colonel from taking over an African village with his soldiers of fortune. The ape-man has been rendered deaf by an exploding hand grenade, effectively limiting one of his keen senses. Tarzan relies on his telepathic powers to stop a lion. Woody Strode also appears in this film that combines two made for television episodes.

The police commissioner asks some local street kids to toughen up his ballet-loving son.

Former Coastguardsmen Jim Benson is about to lose his boat when a couple approaches him for a fishing charter. Jim departs just ahead of the Sherrif with drunken Shanks, and his companion Sally (Gates). Shanks takes off into a small Mexican village after a fight with Jim, stranding both Sally and him with no money. Two local men hear of Jim's plight, and offer him money to smuggle a batch of illegal aliens, called Wetbacks, into the U.S. He agrees but is blackmailed into continuing to run the smuggling operation. Afraid, Jim decides to make a run for it, but someone close to him reveals themselves as a US Immigration agent and asks him to assist them in shutting down the smugglers for good.

Immediately after the October revolution, in Russia, stir unrest and propaganda against the Government of the United States. Serge Oumansky is a Communist agent trying to organize terrorist actions against the same United States.

A mad doctor (Bela Lugosi) and his helpers (John Carradine, George Zucco) lure girls to his lab for brain work, to help his wife.

Danny helps to capture a wanted criminal and receives a $200 reward. However, he has a falling out with the gang when they believe he should share the money with them. Complications ensue when the crook that Danny helped capture escapes from jail and comes looking for him.

Tarzan has to deal with slave traders who are making raids into African villages to get slaves.

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

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.

Hal Whitney, an irresponsible young millionaire, befriends Timothy Payne, a wise old college professor whose life had been ruined by alcohol. After "adopting" Timothy as his father, Hal introduces him to his sweetheart, Helen Maynard. The outraged Helen breaks their engagement, certain that Timothy will be a bad influence on her hard-drinking fiancé. However, both men assist in each other's reformation, and Hal is soon reunited with Helen, while Timothy marries Hal's mother, Elizabeth, whom he had loved in his youth.