The case against King of Judaea Herod the Great, best known for his attempt to remove his rival, the 'King of the Jews' by ordering the execution of all male infants in Bethlehem shortly after the birth of Jesus Christ. He was also accused of murdering his own wife, children and countless other innocents.

Emperor Nero, the Antichrist who killed Christians for fun. Nero was 17 when he ascended to power in AD 54 following the death of his step-father, Claudius. Fourteen chaotic, blood-spattered years later it was all over, Nero dying - perhaps by his own hand - at the climax of a rebellion against his rule.

Tsar Ivan IV Vasilyevich - Ivan the Terrible - was the first grand prince of Moscow from 1533 to 1547 and later ruled as the "Tsar of all Russia" until his death in 1584. Back in the 16th Century when the suffix Terrible was first bestowed on Ivan, it meant ‘awe-inspiring', ‘powerful' and ‘formidable'. By the end of his reign, most of his subjects probably felt the word as we understand it today was more apt.

john lied, betrayed and murdered his way to the throne, before invoking such wrath among his subjects that he was forced into signing a document which changed the world in so many ways, the Magna Carta. In the last 100 years, historians have sometimes attempted to portray John as unfairly maligned and misrepresented.

The Roman Emperor Caligula, also known as Gaius, exploring his brief but brutal reign from AD 37 to 41, highlighting his initial popular policies - cutting taxes and pardoning exiles - which were followed by a descent into madness and tyrannical behaviour. This documentary delves into the historical context of his rule and the events surrounding his assassination.

The case against six formidable kings who have left an indelible mark on the world. This episode considers Henry VIII, who reigned from 1509 until his death in 1547. Henry is remembered for his six marriages, the brutal treatment of his spouses and separating the Church of England from papal authority.