Three years have passed. Reid is drawn back to Whitechapel to investigate a case.
India Rakusen travels to Ohio, where addiction has become part of everyday life.
The Cooper family share a small house, and absolutely no DNA.
Chris Stark goes stateside to witness a crazy party of nudity, drink, drugs and fighting.
Gregg Wallace joins a human production line in the largest sports shoe factory in the UK.
With Evie still recovering from her fall, Fletch commits to being a better dad.
Joe Moran creates a field guide to shyness, which Darwin called an odd state of mind.
Craving independence, 15-year-old Lizzie Vogel takes a job in an old people's home.
Beverley Knight tells the story of the rise and the fall of the legendary label.
What does 'natural' mean when it comes to food?
Melvyn Bragg on the fall of Rome and the rise of Northumbria.
Johnnie talks in depth to three of America's greatest music stars about their album Trio.