The nation's most curious quiz show, QI XL, returns with Series X. The series promises another run of razor-sharp wit, unexpected facts and the very best in comedy talent.  

At the helm once again is Sandi Toksvig, joined by Alan Davies, as they lead a brilliant line up of guests through a series of curious questions and Quite Interesting facts. Along the way, they'll reminisce over Xs and Exes, uncover X Animals, celebrate Xmas, and explore the Xtreme.  

QI returns with Series W, promising another round of razor-sharp wit, unexpected facts and the very best in comedy talent.

At the helm once again is Sandi Toksvig, joined by Alan Davies as they both lead a dazzling mix of first-time guests and returning favourites who wrestle with the Weird and Wonderful, dabble in Wordmongery, puzzle over Who, What, Why and unravel all manner of Whatnots.

From Veggies to Visionaries, this series is packed full of Varied and Vibrant subjects that are bound to fascinate, challenge and entertain. Whether you're a curious newcomer or a seasoned QI connoisseur, this series takes Viewers on a Voyage of discovery through a Vast number of topics that start with the letter V.

The brand new series of QI, showing the more unusual and unbelievable side of our universe, all under the umbrella of the letter "U".