I'm Sorry I Haven't a Clue on a 2012 show which featured Victoria Wood. A 2013 episode featured a round of "Useless Celebrities", a parody of "Pointless Celebrities", and featured Richard Osman as the co-presenter (this was broadcast three years before Osman appeared on the panel). A 2017 episode featured a spoof of "The Chase" which featured Anne Hegerty, one of the Chasers from the show. On one occasion Humph announced that they had a very distinguished actor as a guest who would join in the game of Mornington Crescent. When the game started, after great ceremony, the penultimate player, the last of the panellists, won
Hamish and Dougal Hamish and Dougal Hamish and Dougal are two characters from the long-running BBC Radio 4 radio comedy panel game "I'm Sorry I Haven't a Clue", played by Barry Cryer and Graeme Garden, who later went on to have their own Radio 4 series, You'll Have Had Your Tea: The Doings of Hamish and Dougal. The series is occasionally broadcast on the BBC's repeat channel, Radio Four Extra. The fictional characters Hamish and Dougal originated in one of the rounds of "I'm Sorry I Haven't a Clue" called Sound Charades. In this round the title of a book or film has