Guts: The Strange and Mysterious World of the Human Stomach (2012)

Documentary in which Michael Mosley offers up his own guts to find out what's really going on inside the stomach. Spending the day as an exhibit at the Science Museum in London, he swallows a tiny camera and uses the latest in imaging technology to get a unique view of his innards digesting his food. He discovers pools of concentrated acid and metres of writhing tubing which is home to its own ecosystem. Michael lays bare the mysteries of the digestive system, revealing a complexity and intelligence in the human gut that science is only just beginning to uncover.