First broadcast: on BBC One HDLatest broadcast: on BBC One Wales
An insight into what influenced some of the nation's best-loved comedians, and what made them belly laugh. With Lenny Henry, Andi Osho, Ronni Ancona, Jon Culshaw and Julian Clary. Show more
First broadcast: on BBC One HDLatest broadcast: on BBC One Wales
An insight into what influenced some of the nation's best-loved comedians, and what really made them belly laugh. With Graham Norton, Jack Whitehall, Phill Jupitus and Al Murray. Show more
First broadcast: on BBC One HDLatest broadcast: on BBC One Wales
An insight into what influenced some of the nation's best-loved comedians, and what really made them belly laugh. With Jonathan Ross, Micky Flanagan, Rich Hall and Jon Richardson. Show more
First broadcast: on BBC One HDLatest broadcast: on BBC One Scotland
An insight into what influenced some of the nation's best-loved comedians, and what made them belly laugh. With Paddy McGuinness, Frank Carson, Nigel Havers and Sean Lock. Show more
First broadcast: on BBC One HDLatest broadcast: on BBC One Wales
An insight into what influenced some of the nation's best-loved comedians, and what really made them belly laugh. With contributions from Jack Dee, Jo Brand and Rhod Gilbert. Show more
First broadcast: on BBC One HDLatest broadcast: on BBC One Northern Ireland
An insight into what influenced some of the nation's best-loved comedians and what makes them belly laugh. With Dara O Briain, Alan Carr, Joan Rivers and Phill Jupitus. Show more