2016 marks the 50th anniversary of the Bonzo Dog Doo Dah Band going "professional" - kick-starting the chaos with a performance on the bastion of psychedelia and avant-garde: Blue Peter.

The legendary Neil Innes looks back at the influence and influences of the Bonzo Dog Doo Dah Band and the collision of art, humour, music, language and anarchy that permeated the band's career.

Archive interviews and performances accompany new interviews with Legs Larry Smith, Rodney Slater, Vernon Dudley Bowhay Nowell, Sam Spoons, and Bob Kerr and contributions from friends and fans including Terry Gilliam, Adrian Edmondson, Kevin Eldon, Diane Morgan, Rick Wakeman and Stephen Fry.