A look back at the making of the entire Blackadder series to commemorate its 40th anniversary, featuring contributions from Blackadder's biggest fans including Jack Whitehall, Darren Harriott, Sarah Hadland, Ardal O'Hanlon and Nina Wadia.

Examine the history of bluegrass music, from its origins to its eventual worldwide popularity, and hear from dozens of musicians who explain the ways bluegrass music transcends generational, cultural and geographic boundaries.