In the late 16th century Europe was in the grip of a ferocious witch hunt, where thousands were tortured and burnt at the stake. The church was fully behind this terrifying crusade against the imaginary enemies of Christianity. In France and Germany alone up to 40,000 people may have been killed as witches. But England and Scotland were almost untouched by witch persecutions until King James himself decided to launch his own, personal war on witchcraft.

• Documentary