As series one of Guestimators comes to an end, we reflect on a brilliant first run, reveal the winner of our listener merch competition and we hear from our celebrity series champion. Join us again in the next few weeks for more quizzing! To play the quiz, go to guestimators.com Email us on...

Comedian, author and actor Grace Campbell takes on Bush in the last quiz of Guestimators season one. And she might be our most competitive Celebrity Guestimator yet. Who will be able to best identify the British public’s favourite vowel? Yes, there really is a round on that this week. Buy tickets...

With Producer Will on emergency childcare duty, it's Bush and Statman Matt previewing this week's quiz, Vowels, Vets and Value for Money. We also have to correct the Bible story told by last week's Celebrity Guestimators Mark Davison, and reveal the top five listener recommendations for...