Italy, 1968. Aspiring actor Nicola enrolls in the police to pay for his studies, ending up undercover among college students protesting the government, the Vietnam War and the values of their parents' generation. However, he complicates his mission by falling for Laura, a bourgeois girl dreaming of a better world.

Edward, a powerful rancher, serves as a real chief of a town near the Mexican border. The arrival of Oklahoma John, new sheriff, not to your liking. The new lawman faces Jimmy, the son of the chief and his buddy.

The ten gladiators are hired to travel to Arbela, a small country on the outskirts of the Roman Empire to learn if Parthia is planning to war with Rome. Upon arriving, the heroes decide to kidnap the beautiful Parthian queen and spirit her to Syria to serve as a hostage.

Steve McGowan has proposed to avenge the death of his father, murdered by one of the followers of Chief Miller. This engages the services of a famous gunslinger called Sabata and instructs him to kill Steve. The fate joins Steve and the Mexican bandit Leon Pompero, and together they decide to defeat the murderous gunman.

A nuclear scientist is kidnapped by Chinese communists in Hong Kong. A Japanese group of judo experts kidnaps him from the kidnappers, but before they can contact the American agent who has been assigned with overseeing the scientist's transfer back to the USA, the agent is killed. The American secret service send their top man to Hong Kong as his replacement, with the mission of locating the scientist. But there are TWO rival gangs of baddies who are also looking for the same target, so our hero has to assume a different identity to infiltrate them.

The island paradise of San Felipe has undergone a revolution! The charismatic General Siqueiros has assumed control! Those assisting him though have an agenda far beyond a simple dictatorship of a inconsequential banana republic! They’re scheming to put the entire world at their mercy through the mad scientist Karlesten’s efforts to develop a deadly missile-carried gas! And only one man can stop him! Walter Ross, Agent 3S3! And he not only has a license to kill, but also a license to spank!

After the bankruptcy of their father's stonemasonry firm, brothers Nicola and Andrea emigrate to America to restore their fortunes. After many adventures and near-disasters, they end up in Hollywood, designing sets for D.W. Griffith, and marry beautiful actresses. However, tragedy strikes with the arrival of World War I, which finds the brothers fighting on opposite sides...

A secret agent is sent to infiltrate the heavily guarded fortress of a madman bent on taking over the world.