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]
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]
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]
13/15. Sandi Toksvig takes a look at upbringing with Sally Phillips, Josh Pugh, Aaron Simmonds and Alan Davies. Contains some strong language. Also in HD. [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]
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]
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]
Lying: Stephen Fry tells the truth about tall tales in the deceptive panel show. The cock and bull stories come from Sara Pascoe, Jack Whitehall, Adam Hills and Alan Davies. [S]
Lovely: The adored panel show with a fondness for titillating trivia. Getting all lovey-dovey with Stephen Fry are Josh Widdicombe, Aisling Bea, Tony Hawks and Alan Davies. [S]
Liblabble: More myth-busting mirth in the witty panel show. Stephen Fry luxuriates in L-themed larks with the Reverend Richard Coles, Sara Pascoe, Bill Bailey and Alan Davies. [S]
Pain and Punishment: Sandi Toksvig considers the subjects of pain and punishment, with guests Jimmy Carr, Lee Mack and Alice Levine joining regular Alan Davies on the panel. [S]
Pubs: A Christmas Special: Sandi Toksvig has a Christmas knees-up in the pub with Alan Davies, Cariad Lloyd, Josh Widdicombe and Noel Fielding. Pub-themed questions are in order. [S]
Picnics: Sandi Toksvig is joined by Romesh Ranganathan, Rachel Parris, Richard Osman and regular panellist Alan Davies, who answer questions on the theme of picnics. [S]
O Christmas: Christmas-themed posers. Jason Manford, Romesh Ranganathan and Holly Walsh learn the best way to wrap an awkwardly shaped present and get wine stains out of a carpet. [S]
New. Uncle Sam: Sandi Toksvig puts the UK-US special relationship under the microscope with Kemah Bob, Alex Edelman, David Mitchell, and Alan Davies. [S]
Merriment: Old scrooge Stephen Fry docks Jenny Eclair, Johnny Vegas, Bill Bailey and Alan Davies points in this XL-mas special. And can you spot the Morse code in Morse? [S]
Merriment: Old scrooge Stephen Fry docks Jenny Eclair, Johnny Vegas, Bill Bailey and Alan Davies points in this XL-mas special. And can you spot the Morse code in Morse? [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]
Misconceptions: The witty quiz that thrives on fallacies. Sue Perkins, Sara Cox and Chris Addison guest as departing host Stephen Fry docks Alan Davies points one last time. [S]
Misconceptions: The witty quiz that thrives on fallacies. Sue Perkins, Sara Cox and Chris Addison guest as departing host Stephen Fry docks Alan Davies points one last time. [S]
Messy: Quite complex quizzing. Things get messy as Stephen Fry learns whether Sarah Millican, Eddie Kadi, Noel Fielding and Alan Davies know their mugwumps from their mullipuffs. [S]
Monster Mash: The smash-hit quiz show that caught on in a flash. Beastly quizmaster Stephen Fry is an eerie sight for Sara Pascoe, Josh Widdicombe, Phill Jupitus and Alan Davies. [S]
Monster Mash: The smash-hit quiz show that caught on in a flash. Beastly quizmaster Stephen Fry is an eerie sight for Sara Pascoe, Josh Widdicombe, Phill Jupitus and Alan Davies. [S]
Medieval and Macabre: Enlightenment on the Middle Ages with Stephen Fry. Julia Zemiro, Matt Lucas, David Mitchell and Alan Davies hear that pre-fabs date to pre-Ikea times! [S]
Medieval and Macabre: Enlightenment on the Middle Ages with Stephen Fry. Julia Zemiro, Matt Lucas, David Mitchell and Alan Davies hear that pre-fabs date to pre-Ikea times! [S]
Menagerie: Stephen Fry asks Sue Perkins, Romesh Ranganathan, Bill Bailey and Alan Davies beastly posers on moose, monkeys and moustachioed toads in the highly evolved quiz. [S]
Menagerie: Stephen Fry asks Sue Perkins, Romesh Ranganathan, Bill Bailey and Alan Davies beastly posers on moose, monkeys and moustachioed toads in the highly evolved quiz. [S]
Making a Meal of It: Witty panel show. Stephen Fry gives us food for thought as Cariad Lloyd, Dermot O'Leary, Phill Jupitus and Alan Davies make a right meal of the answers. [S]
Making a Meal of It: Witty panel show. Stephen Fry gives us food for thought as Cariad Lloyd, Dermot O'Leary, Phill Jupitus and Alan Davies make a right meal of the answers. [S]