2/16. Sandi Toksvig hosts a 'ruff and reddy' episode in which she takes a look at ruffs and red things with Alan Davies, Tom Allen, Susan Calman and Zoe Lyons. Also in HD. [S]
Underground and Underwater: Sandi Toksvig is joined by Zoe Lyons, Dan Tiernan, Josh Widdicombe and Alan Davies for an underground and underwater episode. [S]
Hodge Podge: Stephen Fry asks unanswerable questions on a hodge-podge of topics beginning with H in this extended show. With Ross Noble, Jack Dee, Phill Jupitus and Alan Davies. [S]
United: Sandi Toksvig's guests - Nabil Abdulrashid, Bill Bailey, Victoria Coren Mitchell and Alan Davies - are all in it together for this united episode. [S]
Kaleidoscope: Myth-busting mirth. Stephen Fry covers a complete kaleidoscope of topics - from kayaking to comets - with Liza Tarbuck, Susan Calman, Sandi Toksvig and Alan Davies. [S]
Kaleidoscope: Myth-busting mirth. Stephen Fry covers a complete kaleidoscope of topics - from kayaking to comets - with Liza Tarbuck, Susan Calman, Sandi Toksvig and Alan Davies. [S]
Kitsch: High-brow quizzing about low-brow art! Stephen Fry celebrates the wonderfully worthless with very funny guests Sue Perkins, Reginald D Hunter, Jimmy Carr and Alan Davies. [S]
Kris Kringle: Christmas Special: A feast of Stephen Fry as our jolly quiz-master and his QI elves get into the Christmas spirit with Jo Brand, Brendan O'Carroll, Phill Jupitus and Alan Davies. [S]
Kitchen Sink: Victoria Wood, Richard Osman, Jason Manford and Alan Davies address everything in the kitchen but the sink as Stephen Fry serves up a menu of culinary questions. [S]
Knights and Knaves: Wit and wisdom. Noble squire Stephen Fry joins gallant guests Victoria Coren, Sue Perkins, the Reverend Richard Coles and Alan Davies at the round table of knowledge. [S]
Kinky: Ooh, kinky! Top shelf entertainment with Stephen Fry, who whips Janet Street-Porter, Sandi Toksvig, Johnny Vegas and Alan Davies into shape with some titillating trivia. [S]
Keeps: Stephen Fry plays for keeps with Sarah Millican, Jason Manford, Bill Bailey and Alan Davies, who tentatively answer klaxon-baiting posers on ants, kilobytes and newtons. [S]
Kinetic: Jovial quiz. Stephen Fry gets things moving with a look at kinetics, as perplexed guests Jo Brand, Marcus Brigstocke, Danny Baker and Alan Davies go through the motions. [S]
Keys: The ever-witty fact-packed quiz show. Stephen Fry grills Isy Suttie, Tim Minchin, Bill Bailey and Alan Davies on all things key-related, from pianos to the QWERTY keyboard. [S]
Knowledge: Alan will be even more baffled than usual as Stephen reveals how many QI facts have been disproved since the first show! With Graham Linehan, Jimmy Carr and Jo Brand. [S]
Killers: Stephen Fry presents a killer edition of the quick-witted quiz. Sandi Toksvig, Trevor Noah, Jason Manford and Alan Davies learn that being drunk could help you survive! [S]
Kings: The king of general knowledge, Stephen Fry, joins his loyal subjects Jeremy Clarkson, Jimmy Carr, Bill Bailey and Alan Davies for a right royal hour of trivia and titbits. [S]
Knits and Knots: Sue Perkins, Ross Noble, David Mitchell and Alan Davies tie themselves up in knots as the all-knowing Stephen Fry quizzes them on knitting, katydids and knackers! [S]
K-Folk: Mind-blowing miscellany with Stephen Fry. Katherine Ryan, Josh Widdicombe, Phill Jupitus and Alan Davies tackle tricky teasers on Korea, Kiev, the Korowai and St Kilda. [S]
Kit and Kaboodle: Stephen Fry covers the whole kit and kaboodle of K-themed topics, from kitty litter to Kitty Fisher! With Noel Fielding, Ross Noble, Colin Lane and Alan Davies. [S]
Knees and Knockers: A knowledgeable knees-up as Stephen Fry tests Sara Pascoe, Jack Whitehall, David Mitchell and Alan Davies on their know-how of things beginning with 'K'. [S]
Immortal Bard: Alas poor Alan, he knows so little! Stephen Fry is red with mirth as Sue Perkins, Bill Bailey, David Mitchell and Alan Davies answer posers on William Shakespeare. [S]
Ice: In a festive edition of the cerebral panel show, Good King Stephen Fry harks at eskimos, expeditions and Iceland with Ross Noble, Sean Lock, Brian Blessed and Alan Davies. [S]
Idleness: An extra-large portion of the comedy panel show. Stephen Fry takes a lazy look at idleness with Alan Davies and guests Ross Noble, Dara O Briain and Jeremy Clarkson. [S]
Intelligence: More intelligent questions from your genial host Stephen Fry. Joining him this time are guests Jo Brand, David Mitchell, Phill Jupitus - and, of course, Alan Davies. [S]
Illumination: The fascinatingly factual quiz show continues. Host Stephen Fry sheds light on the subject of illumination with Jack Dee, Chris Addison, Rich Hall and Alan Davies. [S]
Infantile: Another instalment of the ever-informative comedy quiz show. Big kid Stephen Fry enjoys being childish with guests Ronni Ancona, Dave Gorman, Lee Mack and Alan Davies. [S]
Inland Revenue: Stephen Fry poses some taxing questions about things that start with 'i'. Joining him are Sandi Toksvig, Al Murray, Dara O Briain and, of course, Alan Davies. [S]
Illness: Stephen Fry will cure your boredom with fascinating facts about illness in the comedy quiz show. With panellists Jo Brand, Ben Goldacre, Andy Hamilton and Alan Davies. [S]
Injustice & Inequality: Stephen Fry addresses inequality and injustice as he poses unfair questions to future host Sandi Toksvig, Clive Anderson, Henning Wehn and Alan Davies. [S]
Incomprehensible: Another dose of mind-expanding quiz show fun with Stephen Fry. Sue Perkins, Ross Noble, Professor Brian Cox and Alan Davies ponder all things incomprehensible. [S]
Inventive: Know-all Stephen Fry presides over the fact-packed comedy quiz show - this time Stephen waxes inventive with guests Nina Conti, Sean Lock, Bill Bailey and Alan Davies. [S]
Invertebrates: Mind-expanding quiz show hosted by Stephen Fry with guests Sarah Millican, Jimmy Carr, Johnny Vegas and Alan Davies. Invertebrates are the spine of today's show. [S]
Indecision: Celebrities are quizzed on a variety of esoteric subjects by Stephen Fry. Panellists Phill Jupitus, Rich Hall, Jimmy Carr and Alan Davies come over all indecisive. [S]
Imbroglio: The witty panel show that disproves things we thought were facts! Stephen Fry ponders an imbroglio of issues with John Bishop, Frank Skinner, Sean Lock and Alan Davies. [S]
International: Stephen Fry asks unanswerable questions with an international flavour. Entering the fray this time are Jack Dee, David Mitchell, Bill Bailey and Alan Davies. [S]
Landmarks: The superior panel show that's a milestone in TV quiz history. Jo Brand, David Mitchell and Alan Davies address larceny, the London Underground and loos. [S]
Long Lost: Suggs joins Stephen Fry and Alan Davies for more mind-expanding 'madness'. With fellow guests Claudia O'Doherty and Jimmy Carr, they consider lichen and lettuce. [S]
Ladies and Gents: Unisex education with renaissance man Stephen Fry and Kathy Lette, Ross Noble, Sue Perkins and Alan Davies. The a-gender includes posers on loos and suffrage. [S]
Little and Large: A suitably multi-sized line-up of Richard Osman, Lucy Porter, Phill Jupitus and Alan Davies join Stephen Fry in this extra-large helping of wit and wisdom. [S]
Lucky Losers: Alan's in with a chance as the panellist with the lowest score wins this edition of the mind-bending quiz also starring Jeremy Clarkson, Sandi Toksvig, and Danny Baker. [S]
No L: Christmas Special: The big man and his QI elves deliver the gift of knowledge to Carrie Fisher, Bill Bailey, Jimmy Carr and Alan Davies in the very merry panel show's Christmas special. [S]
Lumped Together: Extra-large portions of tasty trivia served up by Jeeves himself. David Mitchell, Ronni Ancona, Jimmy Carr and Alan Davies get to grips with love handles. [S]