Upcoming episodes, programme details and where to watch over the next seven days. All times are UK time.
Hitler's Holidays Of Hate: Experts investigate the methods that Adolf Hitler and the Nazis used to indoctrinate a peaceful population, turning it into a finely-tuned war machine.
The Secrets Of The Devil's Bible: A full-page illustration of the Devil and hellish rumours gave the Devil's Bible its nickname, but who really wrote this book?
The Quest to Find the Tomb of Mary Magdalene: Experts look to uncover the truth behind the mystery of Mary Magdalene's life after witnessing the resurrection.
The Mysteries of the World's Oldest Temple: The rock-hewn pillars of Gobeklitepe in Turkey have baffled archaeologists for decades. Who built this incredible monument, and why?