Stephen Fry marshals miscellaneous military matters.

Stephen Fry mulls over some medical matters.

A compilation of favourite moments from the series, with Stephen Fry and Alan Davies.

A compilation of favourite moments from the L series, with Stephen Fry and Alan Davies.

With Jo Brand, Colin Lane, David Mitchell and Alan Davies.

With Suggs, Claudia O'Doherty, Jimmy Carr and Alan Davies.

Stephen Fry looks at the multi-sized world of the little and the large.

Carrie Fisher, Bill Bailey, Jimmy Carr and Alan Davies are in the QI Christmas special.

Bill Bailey, Sandi Toksvig and Jason Manford explore all things lethal and deadly.

Jo Brand, Josh Widdicombe and Phill Jupitus look at parts of the body beginning with L.

Josh Widdicombe, Sue Perkins and Frank Skinner look at levity, levitation and lights.

Sarah Millican, Ross Noble and Colin Lane look at the largest and littlest of animal life.

Stephen Fry plays for keeps with Sarah Millican, Jason Manford, Bill Bailey & Alan Davies.

Stephen Fry looks for his keys with Isy Suttie, Tim Minchin, Bill Bailey and Alan Davies.

Stephen Fry explains how many previous QI facts are no longer thought to be true.

Stephen Fry presents a killer edition of the quiz about quite interesting facts.

Stephen Fry considers the subject of kings.

Stephen Fry looks into knits, knots and other things starting with K.

Stephen Fry looks into the quite interesting world of K-folk.

Stephen Fry looks at a whole kit and kaboodle of K topics.

Stephen Fry and guests look at knees, knockers and other things starting with 'K'.