The actor celebrates his favourite comedians and comedy shows and puts forward his own theory as to why they are the best of all time, beginning with a look at sitcoms. Bradley chats to stars about what makes a successful sitcom, including Steptoe and Son, The Liver Birds, Hi-de-Hi!, The Young Ones, Gavin & Stacey, 'Allo 'Allo!, Dad's Army and Absolutely Fabulous.