David Walliams has invited comedian Harry Enfield to be his 'Friend' and the result is a masterclass in sketch. Together they appear as John Torode and a rather fussy Gregg Wallace in MasterChef, portray a hilarious pair of ageing lotharios and take a look back at some of Harry's comedy characters that never saw the light of day, until a certain David Walliams got his hands on them.

• Meera Syal
• Sheridan Smith
• Harry Enfield