Two entertaining documentaries:Meet the Romans
Presented by Mary Beard. It's an immersion intended to know the ordinary citizens of the Roman Empire. A tour through a 1,000,000 people city of the ancient world.
According Wikipedia Beard "is Professor of Classics at the University of Cambridge, a fellow of Newnham College, and Royal Academy of Arts Professor of ancient literature. She is the Classics editor of The Times Literary Supplement, where she also writes a regular blog, "A Don's Life". Her frequent media appearances and sometimes controversial public statements have led to her being described as 'Britain's best-known classicist'"
It's also available via YouTube.
And this one on Netflix: Hitler's Bodyguard
A detailed account of Hitler's different bodyguard corps, and the dozens of failed attacks against him.