Forbidden History Season 4 Episode release dates & where to watch

1. The Curse of Hitler's Executioner

Johann Reichhart was a German state executioner who killed around 3,000 people during WWII. Jamie Theakston uncovers more about this ruthless Nazi.

2. The Secrets of the Vatican Archives

The Vatican Secret Archives is a treasure trove of history that is shrouded in secrecy. Jamie Theakston heads to Rome in a bid to gain access.

3. The Secrets of the Murder Bureau

Jamie Theakston exposes a secret unit who murdered Bulgarian dissidents. One victim, Georgi Markov, was famously killed with a ricin-tipped umbrella.

4. The Dark Truths of the Templars

Hear about the Templars in a very different light. Jamie Theakston disputes the orthodox beliefs about the Catholic order that angered much of Europe.

5. The Real Mary Magdalene

Mary Magdalene is a key figure in Christianity, having witnessed Jesus' death and resurrection. But was she really a prostitute? Jamie Theakston reveals all.

6. The Death of Mussolini Finale

Mystery still surrounds how fascist dictator Benito Mussolini met his end, before being hanged in Milan's Piazzale Loreto. Jamie Theakston seeks out answers.