Sean Lock and Katherine Ryan take on Jon Richardson and Joe Wilkinson. Adam Riches as Sean Bean is in Dictionary Corner.

Guests are Freddie Flintoff and Rhod Gilbert. Henning Wehn joins Susie Dent in Dictionary Corner, while Joe Wilkinson 'helps' Rachel Riley provide the letters and numbers.

Jimmy Carr plays host along with regular 8 Out of 10 Cats team captains Sean Lock and Jon Richardson who are joined by Miles Jupp and Aisling Bea. Countdown regular Susie Dent is in Dictionary Corner with help from Nick Helm while the country's favourite boffin Rachel Riley provides the letters and numbers with help from comedian Joe Wilkinson.

Jimmy Carr hosts as Jon Richardson and Rhod Gilbert take on Lee Mack and Rob Beckett. Tim Key is in Dictionary Corner with Susie Dent, and Rachel Riley is assisted by Joe Wilkinson.

Jimmy Carr hosts. Sean Lock and Bill Bailey take on special guest captain Joe Wilkinson with Isy Suttie. Joe Lycett is in Dictionary Corner with Susie Dent.

Jimmy Carr hosts new editions of the famous words and numbers quiz, as 8 Out of 10 Cats team captains Sean Lock and Jon Richardson are joined by celebrity guests Miles Jupp and Rhod Gilbert. Countdown regular Susie Dent is in Dictionary Corner with Nick Helm, while the country's favourite boffin Rachel Riley provides the letters and numbers with a little help from comedian Joe Wilkinson.

Jimmy Carr hosts while 8 Out of 10 Cats team captains Sean Lock and Jon Richardson are joined by celebrity guests. In this show Jason Manford joins Sean, while Rhod Gilbert teams up with Jon. Countdown regular Susie Dent is in the Dictionary Corner with Danny Dyer, while the country's favourite boffin Rachel Riley provides the letters and numbers with a little help from comedian Joe Wilkinson.

Jimmy Carr hosts the comedy panel show's version of the famous quiz, with team captains Sean Lock and Jon Richardson joined by guests Jason Manford and Stephen Mangan. Countdown regular Susie Dent is in Dictionary Corner with Tim Key, while maths expert Rachel Riley provides the letters and numbers with a little `help' from Joe Wilkinson

Jimmy Carr hosts, alongside team captains Sean Lock and Jon Richardson, who are joined by Jo Brand and Claudia Winkleman. Bill Bailey joins Susie Dent in Dictionary Corner, while Joe Wilkinson 'helps' Rachel Riley provide the letters and numbers.

Jimmy Carr hosts as Jon Richardson and Lucy Beaumont take on Roisin Conaty and Joe Wilkinson. Bec Hill joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts with Sean Lock and Katherine Ryan who take on Jon Richardson and Joe Wilkinson in the classic words and number quiz. Dr John Cooper Clark in Dictionary Corner with Susie Dent and Rachel Riley looks after the numbers.

Jimmy Carr hosts. Sean Lock and Johnny Vegas take on guest captain Sarah Millican with Rob Beckett. Vic Reeves is in Dictionary Corner with Susie Dent and Rachel Riley.

Jimmy Carr hosts, alongside team captains Sean Lock and Jon Richardson, who are joined by Bill Bailey and Josh Widdicombe. Jake Yapp joins Susie Dent in Dictionary Corner, while Joe Wilkinson 'helps' Rachel Riley provide the letters and numbers.

Jimmy Carr and team captains Sean Lock and Jon Richardson are joined by Josie Long and Rob Beckett. Vic Reeves joins Susie Dent in Dictionary Corner, while Joe Wilkinson 'helps' Rachel Riley.

Jimmy Carr hosts the comedy panel show's version of the famous quiz, with team captains Sean Lock and Jon Richardson joined by guests Kathy Burke and Josh Widdicombe. Countdown regular Susie Dent is assisted in Dictionary Corner by Dara Ó Briain, while Rachel Riley provides the letters and numbers with a little help from Joe Wilkinson

Jimmy Carr returns with Sean Lock and Jon Richardson, who are joined by Jonathan Ross and Roisin Conaty. David O'Doherty joins Susie Dent in Dictionary Corner, and Joe Wilkinson 'helps' Rachel Riley.

Jimmy Carr and Rachel Riley host as Sean Lock and Harriet Kemsley compete against Jon Richardson and Joe Lycett. Mat Ewins joins Susie Dent in Dictionary Corner.

Sean Lock and Harriet Kemsley take on special guest team captain Alan Carr and Catherine Tate, while Adam Buxton joins Susie Dent in Dictionary Corner

Jimmy Carr hosts as Sean Lock and Jason Manford take on Jon Richardson and Roisin Conaty, while Sam Simmons joins Susie Dent in Dictionary Corner, with Rachel Riley

Jimmy Carr hosts, David Mitchell and Cariad Lloyd take on Jon Richardson and Russell Howard. Sam Simmons joins Susie Dent in Dictionary Corner, while Rachel Riley flips the tiles.

Jimmy Carr hosts the words and numbers quiz that this week pits Sean Locke and Michelle Wolf against Jon Richardson and Rob Beckett. Spencer Jones joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts the iconic words and numbers quiz, as 8 Out of 10 Cats team captains Sean Lock and Jon Richardson are joined by celebrity guests Sarah Millican and Chris Ramsey. Countdown regular Susie Dent shares Dictionary Corner with Abandoman, while the country's favourite boffin Rachel Riley dispenses the letters and numbers with a little help from comedian Joe Wilkinson.

Jimmy Carr hosts the words and numbers game show mash-up, with `Countdown' regulars Rachel Riley and Susie Dent. Roisin Conaty and Joe Wilkinson play against Jon Richardson and Nabil Abdulrashid. David O'Doherty is in Dictionary Corner.

Jimmy Carr hosts with Rachel Riley and Susie Dent. Jon Richardson and Lucy Beaumont take on Richard Ayoade and Joe Wilkinson and Finlay Christie finds himself in Dictionary Corner.

Jimmy Carr hosts as Jon Richardson and Guz Khan take on Katherine Ryan and Joe Wilkinson. Alasdair Beckett-King joins Susie Dent in Dictionary Corner. Rachel Riley does the math.

Jimmy Carr hosts, while Jon Richardson and Katherine Ryan take on Sean Lock and Rob Beckett, Greg Davies is in Dictionary Corner

Jimmy Carr hosts the words and numbers quiz with Jon Richardson and David Mitchell who take on guest captain Joe Wilkinson and Roisin Conaty. Tom Allen is in Dictionary Corner.

Jimmy Carr hosts the famous words and numbers quiz with regular 8 Out of 10 Cats team captains Sean Lock and Jon Richardson who play against each other. Celebrity guests joining the teams are Rhod Gilbert, Kevin Bridges and Josie Long, alongside Joe Wilkinson, Countdown's resident lexicographer Susie Dent and the country's favourite boffin Rachel Riley.

Jimmy Carr hosts. Sean Lock and Roisin Conaty take on guest captain Sarah Millican and Rhod Gilbert. David O'Doherty joins Dictionary Corner with Susie Dent and Rachel Riley.

Jimmy Carr, Rachel Riley and Susie Dent host. Jon Richardson and Roisin Conaty take on Rob Beckett and Kiell Smith-Bynoe. Lou Wall joins Susie in Dictionary Corner.

Jimmy Carr hosts the words and numbers quiz that this week pits Sean Locke and Claudia Winkleman against Jon Richardson and Henning Wehn. Nick Helm joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts while Jon Richardson and Michelle Wolf take on guest captain Jonathan Ross and Johnny Vegas, Pappy's is in Dictionary Corner

Jimmy Carr hosts as Jon Richardson and Cariad Lloyd take on guest captains Alan Carr and Kevin Bridges, Elis James and Jon Robins are in Dictionary Corner, with Susie Dent and Rachel Riley

Jimmy Carr hosts. Sean Lock and Greg Davies take on Jon Richardson and Holly Walsh. Vic Reeves is in Dictionary Corner with Susie Dent.

Jimmy Carr hosts as Jon Richardson and Jack Whitehall take on Sean Lock and Roisin Conaty. Rob Beckett joins Susie Dent in Dictionary Corner, while Joe Wilkinson 'helps' Rachel Riley.

Jimmy Carr presents as Jon Richardson and Asim Chaudhry take on Joe Wilkinson and Roisin Conaty. Lucy Pearman is in Dictionary Corner with Susie Dent, while Rachel Riley looks after the numbers and letters.

Jimmy Carr hosts, as Sean Lock and Miles Jupp take on Jon Richardson and Greg Davies. Holly Walsh is in Dictionary Corner.

Jimmy Carr hosts with Sean Lock and Jason Manford going up against guest captain Sarah Millican, and Jonathan Ross. Bill Bailey joins Susie Dent in Dictionary Corner.

Sean Lock and Rob Beckett take on special guest team captains Alan Carr and Sarah Millican. Nick Mohammed joins Susie Dent is in Dictionary Corner, while maths whizz Rachel Riley looks after the letters and numbers.

Jimmy Carr hosts. Sean Lock and Mel Giedroyc vs guest captain Lee Mack with David O'Doherty. Susie Dent is joined by Adam Buxton in Dictionary Corner, with Rachel Riley.

Jimmy Carr hosts the words and numbers quiz that this week pits Sean Locke and Joe Wilkinson against Jon Richardson and Harriet Kemsley. James Veitch joins Susie Dent in Dictionary Corner.

Guest captain Lee Mack and Catherine Tate vs Sean Lock and Miles Jupp. John Cooper Clarke joins Susie Dent in Dictionary Corner, and Rachel Riley looks after the letters and numbers.

Jimmy Carr hosts the words and numbers quiz that this week pits Sean Locke and David Mitchell against Jon Richardson and Sara Pascoe. Ellie White and Natasia Demetriou join Susie Dent in Dictionary Corner.

Jimmy Carr hosts as Sean Lock and David Mitchell take on Jon Richardson and Katherine Ryan. David O'Doherty joins Susie Dent in Dictionary Corner, while Joe Wilkinson 'assists' Rachel Riley.

Sean Lock and Victoria Coren Mitchell take on Jon Richardson and James Acaster in the classic panel game. Morgana Robinson joins Susie Dent in Dictionary Corner, with Rachel Riley.

Jimmy Carr hosts as Jon Richardson and Joe Wilkinson take on guest captain Kevin Bridges and Jessica Knappett. With Dr John Cooper Clark in Dictionary Corner.

Jimmy Carr hosts as Jon Richardson and Johnny Vegas take on Sean Lock and Romesh Ranganathan. Josie Long joins Susie Dent in Dictionary Corner, while Joe Wilkinson 'helps' Rachel Riley.

Jimmy Carr hosts, and it's Jon Richardson and James Acaster versus Lee Mack and Sarah Millican, with John Cooper Clarke in Dictionary Corner

Katherine Ryan hosts a special, celebrating 100 years of women's suffrage. Roisin Conaty and Jessica Hynes go against Sara Pascoe and Lolly Adefope. Also featuring Morgana Robinson, Susie and Rachel.

Jimmy Carr hosts the raucous game show mash-up, as Sarah Millican and Tom Allen take on Joe Wilkinson and Rosie Jones. Mr Swallow (Nick Mohammed) joins Susie Dent in Dictionary Corner, while maths whizz Rachel Riley looks after the numbers.

Jimmy Carr returns with a brand-new series of the chaotic comedy twist on Channel 4's classic words and numbers quiz. In this episode, Richard Ayoade and Harriet Dyer take on Bob Mortimer and Tom Allen. Ian Smith's in Dictionary Corner with legendary lexicographer Susie Dent, while maths machine Rachel Riley looks after the numbers. And Joe Wilkinson - quite literally - drops in. Because of course he does.

Jimmy Carr hosts as Jon Richardson and Rosie Jones take on Joe Wilkinson and Phil Wang. Dr John Cooper Clarke joins Susie Dent in Dictionary Corner. With Rachel Riley.

Jimmy Carr hosts the words and numbers game show mash-up, with `Countdown' regulars Rachel Riley and Susie Dent. Alan Carr and Harriet Kemsley play against Jonathan Ross and Maisie Adam. Huge Davies is in Dictionary Corner.

Jimmy Carr hosts as Jon Richardson and Big Zuu take on Danny Dyer and Helen Bauer. Mat Ewins joins Susie Dent in Dictionary Corner. With Rachel Riley.

Jimmy Carr hosts as Lee Mack and Joe Wilkinson take on Jon Richardson and Jessica Knappett. Comedian Nigel Ng is in Dictionary Corner. Regular Countdown mathematician Rachel Riley and lexicographer Susie Dent are on hand to adjudicate

Jimmy Carr hosts the words and numbers game show mash-up, with `Countdown' regulars Rachel Riley and Susie Dent. Jonathan Ross and Russell Kane take on Alan Carr and Judi Love. Josh Jones is in Dictionary Corner.

Jimmy Carr hosts with Countdown regulars Rachel Riley and Susie Dent as Jack Dee and Tom Allen take on Jon Richardson and Judi Love. Dr John Cooper Clarke is in Dictionary Corner.

Jimmy Carr hosts with Countdown regulars Rachel Riley and Susie Dent as Sarah Millican and Nish Kumar take on Jon Richardson and Maisie Adam. David O'Doherty joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts as Richard Ayoade and Kemah Bob take on Jonathan Ross and Maisie Adam in the classic words and numbers quiz. Sarah Keyworth joins Susie Dent in Dictionary Corner, while Dr Anne-Marie Imafidon fills in for Rachel Riley looking after the letters and numbers.

Jimmy Carr hosts while team captain Sean Lock and Vic Reeves take on guest captain Lee Mack with Sara Pascoe. Alex Horne and the Horne Section join Susie in Dictionary Corner.

Jimmy Carr presides over the hit comedy panel show where Sean Lock and Katherine Ryan take on Jon Richardson and David Mitchell. Nick Helm is in Dictionary Corner.

Jimmy Carr hosts the chaotic comedy twist on Channel 4's classic brainteaser quiz. In this episode, Joe Wilkinson and Josh Widdicombe take on Rhod Gilbert and Thaniya Moore. Frankie Monroe (Joe Kent-Walters) joins Susie Dent in Dictionary Corner, while maths whizz Rachel Riley looks after the numbers.

Jimmy Carr hosts as Jon Richardson and Dan Tiernan take on Richard Ayoade and Katherine Ryan. John Kearns joins Susie Dent in Dictionary Corner, while Rachel Riley looks after the numbers and letters.

Jimmy Carr hosts as Sean Lock and David O'Doherty go up against Jon Richardson and Natasia Demetriou. John Kearns joins Susie Dent in Dictionary Corner, with Rachel Riley.

Jimmy Carr hosts the words and numbers quiz with Sean Lock and Joe Wilkinson who take on Jon Richardson and Jayde Adams, David Baddiel is in Dictionary Corner.

Jimmy Carr hosts while Sean Lock and Isy Suttie take on Jon Richardson and Richard Osman. Alex Horne and the Horne Section are in Dictionary Corner with Susie Dent and Rachel Riley.

Jimmy Carr hosts as Sean Lock and Phil Wang take on guest captain Alan Carr and Harriet Kemsley. Plus special guests David O'Doherty and Joe Wilkinson.

Jimmy Carr hosts while Jon Richardson and David O'Doherty take on guest captain Johnny Vegas and Jamie Laing. Holly Walsh is in Dictionary Corner.

Jimmy Carr hosts as Jon Richardson and Harriet Kemsley take on Lee Mack and Munya Chawawa. David O'Doherty joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts this edition with captain Jon Richardson and special guest captain Lee Mack who are joined by celebrity guests Bob Mortimer and Adam Hills. Countdown regular Susie Dent is in Dictionary Corner with help from Alex Horne and the Horne Section while the country's favourite boffin, Rachel Riley, provides the letters and numbers with a little help from comedian Joe Wilkinson.

Sean Lock and Joe Wilkinson take on Jon Richardson and Sara Pascoe. Sam Simmons is in Dictionary Corner, while maths whizz Rachel Riley looks after the letters and numbers.

Jimmy Carr hosts as Jon Richardson and Tom Allen take on Sean Lock and Rosie Jones. With guest Adam Riches as Sean Bean, plus experts Susie Dent and Rachel Riley.

Jimmy Carr hosts as Alan Carr and Munya Chawawa take on Sarah Millican and Gary Delaney. Don Rodolfo joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts with Sean Lock and Miles Jupp, who take on Jon Richardson and Sara Pascoe. Sam Simmons is in Dictionary Corner with Susie Dent and Rachel Riley.

Jimmy Carr, Rachel Riley and Susie Dent host the comedically contorted Countdown mash-up. This time, Jon Richardson and Lucy Beaumont take on Rob Brydon and Joe Wilkinson, with Huge Davies in Dictionary Corner.

Jimmy Carr hosts, and it's Jon Richardson and Chris Addison against Joe Wilkinson and Katherine Ryan, with David O'Doherty in Dictionary Corner.

Jimmy Carr hosts, as Roisin Conaty and Asim Chaudhry take on Jon Richardson and Josh Widdicombe. Bill Bailey is in Dictionary Corner. Regular Countdown mathematician Rachel Riley and lexicographer Susie Dent are on hand to adjudicate

Jimmy Carr hosts as Rhod Gilbert and Sarah Millican go head-to-head with Judi Love and Joe Lycett. Jazz Emu joins Susie Dent in Dictionary Corner.

Katherine Ryan and Joe Lycett take on Sean Lock and Johnny Vegas. Jimmy Carr hosts. Rachel Riley looks after the numbers. Christopher Bliss joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts as Sean Lock and Richard Ayoade take on Jon Richardson and Jessica Knappett. Plus special guests Alex Horne and the Horne Section.

Jimmy Carr presents as Sarah Millican and Josh Widdicombe take on Alan Carr and Thanyia Moore. The Delightful Sausage join Susie Dent in Dictionary Corner. With Rachel Riley.

Jimmy Carr hosts as Jon Richardson and Judi Love take on Rob Beckett and Miles Jupp. And a special guest parachutes in to help the losing team.

Jon Richardson and Joe Wilkinson take on Lee Mack and Katherine Ryan. Brett Domino is in Dictionary Corner. Jimmy Carr hosts, with Rachel Riley and Susie Dent.

Jimmy Carr hosts with Rachel Riley and Susie Dent. Sean Lock and Paul Foot take on Jon Richardson and Angela Barnes. John Cooper Clarke joins Dictionary Corner.

Sean Lock and Rob Beckett take on Jon Richardson and Cariad Lloyd. Jamie Laing is in Dictionary Corner with Susie Dent, Rachel Riley deals the letters and numbers and Jimmy Carr hosts.

Jimmy Carr hosts as Sean Lock and Stephen Mangan take on guest captains Richard Ayoade and Katherine Ryan. Bill Bailey is in Dictionary Corner

Jimmy Carr hosts the words and numbers game show mash-up, with Countdown regulars Rachel Riley and Susie Dent. Jon Richardson and Jo Brand take on Joe Wilkinson and Jamali Maddix. Rachel Parris is in Dictionary Corner.

Jimmy Carr hosts with Sean Lock and Danny Dyer vs Joe Wilkinson and Gabby Logan. David O'Doherty joins Dictionary Corner, with Susie Dent and Rachel Riley.

Jimmy Carr hosts as Alan Carr and Josh Widdicombe take on Joe Wilkinson and Sara Pascoe. Bill Bailey is in Dictionary Corner with Susie Dent, and Rachel Riley.

Jimmy Carr hosts as Sean Lock and Rob Beckett take on Jon Richardson and Claudia Winkleman. Plus special guests Nick Mohammed and Joe Wilkinson.

Jimmy Carr hosts, and it's Jon Richardson and Jonathan Ross against Lee Mack and Victoria Coren Mitchell, with Jessie Cave in Dictionary Corner.

Jimmy Carr hosts as Sean Lock and Henning Wehn go up against Jon Richardson and Victoria Coren Mitchell. Tom Allen joins Dictionary Corner and there's help from Joe Wilkinson.

Jimmy Carr hosts as Sean Lock and Henning Wehn take on guest captain Bill Bailey with Jessica Hynes. Tom Allen is in Dictionary Corner with Susie Dent, plus Rachel Riley with the numbers and letters.

Jimmy Carr and Rachel Riley host the anarchic game show. Rob Beckett and Joe Wilkinson take on Sarah Millican and Jamali Maddix. Glenn Moore joins Susie Dent in Dictionary Corner.

Jimmy Carr hosts with Sean Lock and Vic Reeves who take on Jon Richardson and Sara Pascoe. David O'Doherty is in Dictionary Corner with Susie Dent, and Rachel Riley.

Sean Lock and Sara Pascoe take on Alan Carr and Tom Allen, while Rosie Jones is in Dictionary Corner.