In Bagdad, the young and naive Sultan Ahmad is curious about the behavior of his people. The Grand Vizier Jaffar convinces Ahmad to walk through the city disguised as a subject to know his people. Then he seizes the power telling to the inhabitants that Ahmad has died while he sends his army to arrest the Sultan that is thrown into the dungeons and sentenced to death. Ahmad befriends the young thief Abu that helps him to escape from the prison. They flee to Basra and plan to travel abroad with Sinbad. However Ahmad stumbles upon the beautiful princess and they fall in love with each other. But the evil Jaffar has also traveled to Basra to propose to marry the princess. When they see each other, Jaffar uses magic to blind Ahmad and turn Abu into a dog. Is their love doomed?

The corrupt Emperor Tiberius forces his bravest general, Marcus, to subdue the monstrous Cyclops that has been decimating the countryside. Once the Cyclops is brought to the dungeons, Marcus is forced to fight in the gladiatorial games. Eventually, he and the Cyclops become allies and they fight together to defeat the corrupt Emperor and his evil nephew, along with the beautiful barbarian Barbara.

The aging King Henry II has chosen his son Richard to lead England in the coming war against France. To test Richard's loyalty, honor and skill, Henry sends him to a hellish prison in which the captives must fight a never-ending stream of enemies in order to survive. As Richard overcomes each new challenger, his strength, ingenuity and character are proven, and the legend of Richard the Lionheart is born.

Six friends are lured to an underground basement for a sinister experiment, will they escape, but most importantly will they live or die?