Who are the people behind the international anti-Covid-vaccine movement and why are they doing it? This journey inside the astonishing world of the anti-vaxxers finds out.

In 1946, just after the end of World War II, a secret organization of Holocaust survivors plans a terrible revenge: since the Nazis have killed millions of Jews, they will kill millions of Germans.

Albert Lin is on a global adventure, from icy Black Sea depths to the heights of the Peruvian Andes, searching for the origins of Great Flood stories.

Exploring the mysterious disappearance of Muriel McKay, the UK's first kidnapping case and one of the most infamous cases of mistaken identity.

Historian James Bulgin reveals the origins of the Holocaust in the German invasion of the Soviet Union, exploring the mass murder, collaboration and experimentation that led to the Final Solution.

Filmmaker Ben Zand investigates the dark world of incels. After a year-long investigation, Zand gains unprecedented access to the men behind the keyboards. Research finds the community is rapidly growing, and one of the most extreme incel forums has 18,000 members with around 2,500 from the UK. The documentary also meets a British incel who has never had a proper conversation with a woman in real life. The investigation uncovers shocking extremism, which includes sharing extremely violent and bloody content.