One documentary that every man of science should see. The history and chain of events that leads to the most famous equation that is known to mankind. Presented in a very easy going way with real life characters and their stories as people and with enthralling narration, it will make you feel grateful for everything that you owe to science. Which is most things in life. Please do check it out.
On the same topic, there is something horribly wrong with the world when the first result for the word "Einstein" is Einstein Bros and Bagels.