Classic No. 9: The Riddle of the Sphinx

Available for over a year

The creators of award-winning comedy anthology show "Inside No. 9", Reece Shearsmith and Steve Pemberton, answer questions sent in by the public to give you an insight into all the processes that went into making "The Riddle Of The Sphinx", the third most loved episode of the series according to a Twitter poll. They talk about what inspired the show's cryptic crossword premise, the background behind some of the clues, and how they managed to get their crossword printed in the Guardian. Produced by Sam Michell. A BBC Studios Production for BBC Sounds.