With the NHS in apparent perpetual crisis, Mark Thomas finds out what’s going wrong, how it can go right and what the future might hold for all of us.

In a series of interviews in advance of the show, Mark speaks to leading experts and looks at what lies ahead for our health service.

In this interview Mark speaks to pioneering surgeon and director of Global Health Innovation at Imperial College, Professor Lord Darzi OM KBE PC FRS on his vision for a 21st century NHS, and whether we can hope to achieve it.