Don your ugly jumpers to celebrate Christmas with QI's Yuletide special! Sandi Toksvig and Alan Davies are joined by comedians Eshaan Akbar, Jo Brand and Jimmy Carr to unwrap their favourite festive facts from under the tree. They'll uncover Santa Claus' whereabouts, why horses make excellent party guests, and why there always seems to be room for Christmas pudding - plus Sandi showcases her super-cool, cutting-edge hidden talent.

Sandi Toksvig, Nabil Abdulrashid, Bill Bailey, Victoria Coren Mitchell and Alan Davies are all in it together for this United episode.