Browse all episodes of 8 Out of 10 Cats Does Countdown

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.

Katherine Ryan, Joe Wilkinson, John Cooper Clarke

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.

Joe Wilkinson, David Mitchell, Roisin Conaty, Tom Allen

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.

Claudia Winkleman, Henning Wehn, Nick Helm

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.

Lee Mack, Rob Beckett, Rhod Gilbert, Tim Key

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.

Rhod Gilbert, Miles Jupp, Nick Helm

Jimmy Carr hosts as Jonathan Ross and Joe Wilkinson take on Roisin Conaty and Ahir Shah. Catherine Cohen joins Susie Dent in Dictionary Corner while Dr Anne-Marie Imafidon looks after the numbers and letters.

Jonathan Ross, Joe Wilkinson, Roisin Conaty, Ahir Shah

Jimmy Carr hosts the game show mash-up, with Rachel Riley and Susie Dent. Jon Richardson and Sara Pascoe take on Sean Lock and Richard Ayoade. Nick Helm joins Susie in Dictionary Corner.

Sara Pascoe, Richard Ayoade, Nick Helm

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

Lucy Beaumont, Roisin Conaty, Joe Wilkinson, Bec Hill

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.

Vic Reeves, Lee Mack, Sara Pascoe, Alex Horne and the Horne Section

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.

Johnny Vegas, Sarah Millican, Rob Beckett, Vic Reeves

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

Greg Davies, Holly Walsh, Vic Reeves

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

Cariad Lloyd, Alan Carr, Kevin Bridges, Elis James, Jon Robins

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.

Jon Richardson, Asim Chaudhry, Joe Wilkinson, Roisin Conaty

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.

Jason Manford, Rhod Gilbert, Danny Dyer

Jimmy Carr hosts the comedy panel show's version of the famous quiz, with team captains Sean Lock and Jon Richardson joined by guests Vic Reeves and Jo Brand. Countdown regular Susie Dent is in Dictionary Corner with Adam Buxton, maths expert Rachel Riley looks after the letters and numbers, and there's a special appearance by Rob Beckett.

Vic Reeves, Jo Brand, Adam Buxton

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.

Roisin Conaty, Jack Whitehall, Rob Beckett

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

Miles Jupp, Greg Davies, Holly Walsh

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.

Roisin Conaty, Sarah Millican, Rhod Gilbert, David O'Doherty

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.

Bill Bailey, Joe Wilkinson, Isy Suttie, Joe Lycett

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.

Lee Mack, Catherine Tate, Miles Jupp, John Cooper Clarke

Jimmy Carr hosts as Sean Lock and Miles Jupp v guest captain Alan Carr and Roisin Conaty. Ivan Brackenbury joins Susie in Dictionary Corner.

Miles Jupp, Alan Carr, Roisin Conaty, Ivan Brackenbury

Jimmy Carr hosts as Sean Lock and Richard Ayoade take on Jon Richardson and Katherine Ryan. David O'Doherty is in Dictionary Corner with Susie Dent, and Rachel Riley looks after the numbers and letters.

Richard Ayoade, Katherine Ryan, David O'Doherty

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.

Jon Richardson, Nabil Abdulrashid, Roisin Conaty, Joe Wilkinson

Jimmy Carr hosts another helping of chaos, comedy and Countdown. Joe Wilkinson and Alex Brooker take on Kevin Bridges and Judi Love. Brian Butterfield (Peter Serafinowicz) joins Susie Dent in Dictionary Corner, while maths whizz Rachel Riley looks after the numbers.

Joe Wilkinson, Alex Brooker, Kevin Bridges, Judi Love & Brian Butterfield

Jimmy Carr hosts the famous words and numbers quiz as 8 Out of 10 Cats team captain Jon Richardson alongside actor Stephen Mangan take on Lee Mack and 'Pointless' boffin Richard Osman. Henning Wehn is in the Dictionary Corner along with Countdown regular Susie Dent. Meanwhile, Rachel Riley provides the letters and numbers with a little help from comedian Joe Wilkinson.

Lee Mack, Richard Osman, Stephen Mangan, Henning Wehn

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.

Lee Mack, Bob Mortimer, Adam Hills, Alex Horne and The Horne Section

Jimmy Carr hosts with 8 Out of 10 Cats team captains Sean Lock and Jon Richardson who are joined by Kevin Bridges and James Corden. Peter Serafinowicz is in Dictionary Corner with Countdown's Susie Dent, while Rachel Riley provides the letters and numbers with 'help' from Joe Wilkinson.

James Corden, Kevin Bridges, Peter Serafinowicz

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.

Jo Brand, Claudia Winkleman, Bill Bailey

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.

Bill Bailey, Josh Widdicombe, Jake Yapp

Jimmy Carr plays host as Jon Richardson and Bob Mortimer take on Sean Lock and Vic Reeves, while Jack Whitehall joins Susie Dent in Dictionary Corner,

Vic Reeves, Bob Mortimer, Jack Whitehall

Jimmy Carr hosts. Sean Lock and Seann Walsh take on guest captain Joe Wilkinson and Danny Dyer. Bill Bailey is in Dictionary Corner with Susie Dent and Rachel Riley.

Seann Walsh, Joe Wilkinson, Danny Dyer, Bill Bailey

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.

Mel Giedroyc, Lee Mack, David O'Doherty, Adam Buxton

Jimmy Carr hosts while Sean Lock and Rebecca Front take on Jon Richardson and Kevin Bridges. Joe Lycett is in Dictionary Corner with Susie Dent and Rachel Riley is on letter-and-number duty.

Rebecca Front, Kevin Bridges, Joe Lycett

The comic mash-up, hosted by Jimmy Carr. Jon Richardson and Joe Lycett take on Sean Lock and Michelle Wolf, while Adam Riches is in Dictionary Corner.

Joe Lycett, Michelle Wolf, Adam Riches

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

Rob Beckett, Claudia Winkleman, Nick Mohammed, Joe Wilkinson

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.

Richard Ayoade, Jessica Knappett, Alex Horne

Jimmy Carr hosts the final in the current series. Sean Lock and Roisin Conaty take on guest captain Alan Carr and Joe Lycett. Plus guest Spencer Jones in Dictionary Corner.

Roisin Conaty, Alan Carr, Joe Lycett, Spencer Jones

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.

Joe Wilkinson, Harriet Kelmsley, James Veitch

Jimmy Carr hosts as Sean Lock and Daisy May Cooper take on Richard Ayoade and Ivo Graham. Adam Buxton joins Susie Dent in Dictionary Corner and Joe Wilkinson assists Rachel Riley.

Daisy May Cooper, Richard Ayoade, Ivo Graham, Adam Buxton

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.

Joe Wilkinson, Lee Mack, Katherine Ryan, Brett Domino

Jimmy Carr hosts with `Countdown' regulars Rachel Riley and Susie Dent as Sean Lock and Harry Hill take on Jon Richardson and Rosie Jones. Mr Swallow, aka Nick Mohammed, is in Dictionary Corner.

Sean Lock, Harry Hill, Jon Richardson, Rosie Jones

Jimmy Carr hosts the game show mash-up, as Rob Brydon and Katherine Parkinson take on Jon Richardson and Babatunde Aléshé. With Joe Wilkinson and Adam Buxton.

Rob Brydon, Katherine Parkinson, Jon Richardson, Babatunde Aléshé

Jimmy Carr hosts the famous 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 Humphrey Ker. Countdown regular Susie Dent is in Dictionary Corner with Rich Hall, while the country's favourite boffin Rachel Riley provides the letters and numbers with a little help from comedian Joe Wilkinson.

Humphrey Ker, Sarah Millican, Rich Hall

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.

Andrew Flintoff, Rhod Gilbert, Henning Wehn

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.

Josie Long, Rob Beckett, Vic Reeves

Jimmy Carr hosts the first of three new comedy editions of the famous quiz. Team captains Sean Lock and Jon Richardson are joined by Peep Show star David Mitchell and stand-up comedienne Roisin Conaty. Phill Jupitus is in Dictionary Corner with Susie Dent, while Joe Wilkinson `helps' Rachel Riley with the letters and numbers.

David Mitchell, Roisin Conaty, Phill Jupitus

Jimmy Carr hosts, with Sean Lock and Sara Pascoe taking on Jon Richardson and Josh Widdicombe. Susie Dent is joined by Alex Horne & The Horne Section in Dictionary Corner.

Sara Pascoe, Josh Widdicombe, Alex Horne & The Horne Section

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.

Henning Wehn, Victoria Coren Mitchell, Tom Allen

Jimmy Carr hosts with guest captain Richard Ayoade and Rob Beckett vs Jon Richardson and Claudia Winkleman. Adam Riches joins Dictionary Corner, with Susie Dent and Rachel Riley.

Richard Ayoade, Rob Beckett, Claudia Winkleman, Adam Riches

Jimmy Carr hosts the words and numbers quiz with Jon Richardson and Phil Wang vs guest captain Russell Howard and Roisin Conaty. Nick Helm is in Dictionary Corner.

Russell Howard, Roisin Conaty, Phil Wang, Nick Helm

Sean Lock and Kevin Bridges take on Joe Wilkinson and Victoria Coren Mitchell. Adam Kay joins Susie Dent in Dictionary Corner.

Kevin Bridges, Joe Wilkinson, Victoria Coren Mitchell, Adam Kay

Jimmy Carr hosts the words and numbers quiz that this week pits Sean Locke and Joe Wilkinson against guest captain Richard Ayoade and Aisling Bea. Tom Allen joins Susie Dent in Dictionary Corner.

Joe Wilkinson, Aisling Bea, Tom Allen

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.

Joe Wilkinson, Sara Pascoe, Sam Simmons

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

Katherine Ryan,  Joe Wilkinson,  Adam Riches

Jimmy Carr hosts as Sean Lock and Harriet Kemsley take on Jon Richardson and Chris McCausland. Nick Helm is in Dictionary Corner and Joe Wilkinson is at the numbers board.

Harriet Kemsley, Chris McCausland, Nick Helm

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

Roisin Conaty, Asim Chaudhry, Jon Richardson, Josh Widdicombe

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.

Jon Richardson, Lucy Beaumont, Richard Ayoade, Joe Wilkinson

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.

Sarah Millican, Josh Widdicombe, Alan Carr & Thanyia Moore

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.

Sarah Millican, Chris Ramsey, Abandoman

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

Kathy Burke, Josh Widdicombe, Dara Ó Briain

Jimmy Carr hosts the show, with captains Sean Lock and Jon Richardson who are joined by James Corden and Jack Dee. Joe Lycett and Joe Wilkinson assist Susie Dent and Rachel Riley.

Jack Dee, James Corden, Joe Lycett

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

Stephen Mangan, Jason Manford, Tim Key

Jimmy Carr hosts the comedy panel show's version of the famous quiz, with team captains Sean Lock and Jon Richardson joined by guests David Baddiel and Trevor Noah. Countdown regular Susie Dent is in Dictionary Corner with Joey Essex, while maths expert Rachel Riley provides the letters and numbers with help from Alex Horne and the Horne Section.

David Baddiel, Trevor Noah, Joey Essex

Jimmy Carr hosts as Jon Richardson and Aisling Bea take on Sean Lock and Reginald D. Hunter. Holly Walsh is in Dictionary Corner with Susie Dent, while Joe Wilkinson attempts to 'help' Rachel Riley.

Reginald D. Hunter, Aisling Bea, Holly Walsh

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.

Romesh Ranganathan, Johnny Vegas, Josie Long

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.

Jason Manford, Sarah Millican, Jonathan Ross, Bill Bailey

Jimmy Carr hosts with Sean Lock and Kevin Bridges who take on Jon Richardson and Kathy Burke. Joe Lycett joins Susie Dent, while Nick Helm 'assists' Rachel Riley.

Kevin Bridges, Kathy Burke, Joe Lycett, Nick Helm

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.

Rob Beckett, Cariad Lloyd, Jamie Laing

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.

Miles Jupp, Sara Pascoe, Sam Simmons

Jimmy Carr hosts while Sean Lock and Vic Reeves take on Jon Richardson and Aisling Bea. David O'Doherty is in Dictionary Corner with Susie Dent and Rachel Riley.

Vic Reeves, Aisling Bea, David O'Doherty

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.

Danny Dyer, Joe Wilkinson, Gabby Logan, David O'Doherty

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

Jonathan Ross, Lee Mack, Victoria Coren Mitchell, Jessie Cave

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.

Rob Beckett, Alan Carr, Sarah Millican, Nick Mohammed

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.

Joe Wilkinson, Rob Beckett, Sarah Millican Jamali Maddix

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.

Rhod Gilbert, Sarah Millican, Judi Love, Joe Lycett

Jimmy Carr hosts as Jon Richardson and Amy Gledhill take on Richard Ayoade and Guz Khan. Sam Campbell joins Susie Dent in Dictionary Corner. With Rachel Riley.

Amy Gledhill, Richard Ayoade, Guz Khan & Sam Campbell

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.

Joe Wilkinson, Josh Widdicombe, Rhod Gilbert, Thaniya Moore & Frankie Monroe

Jimmy Carr hosts with Countdown regulars Rachel Riley and Susie Dent. Roisin Conaty and Phil Wang play against Joe Wilkinson and Lou Sanders, with David O'Doherty joining Susie in Dictionary Corner.

Roisin Conaty, Phil Wang, Joe Wilkinson, Lou Sanders & David O'Doherty

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.

Lucy Beaumont, Rob Brydon, Joe Wilkinson & Huge Davies

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.

Miles Jupp, Aisling Bea, Nick Helm

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.

Roisin Conaty, Jonathan Ross, David O'Doherty

Jimmy Carr hosts the Cats/Countdown mash-up, with Sean Lock, Jon Richardson, Bob Mortimer and Richard Osman. Matthew Crosby joins Susie Dent in Dictionary Corner, and Joe Wilkinson 'helps' Rachel.

Bob Mortimer, Richard Osman, Matthew Crosby

Jimmy Carr hosts with Sean Lock, Bill Bailey and Paul Foot who take on Sarah Millican, Rob Delaney and Romesh Ranganathan. Nina Conti joins Susie Dent in Dictionary Corner, with Rachel Riley.

Bill Bailey, Paul Foot, Sarah Millican, Rob Delaney, Romesh Ranganathan, Nina Conti

Jimmy Carr hosts as Sean Lock and Rhod Gilbert go up against Jon Richardson and Sara Pascoe; Johnny Vegas is in Dictionary Corner while Joey Essex 'assists' Rachel Riley

Rhod Gilbert, Sara Pascoe, Johnny Vegas, Joey Essex

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

Katherine Ryan, Rob Beckett, Greg Davies

Jimmy Carr hosts. Sean Lock and Liza Tarbuck take on special guest captain Sarah Millican with Romesh Ranganathan. Phill Jupitus is in Dictionary Corner with Susie Dent.

Liza Tarbuck, Sarah Millican, Romesh Ranganathan, Phill Jupitus

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.

Henning Wehn, Bill Bailey, Jessica Hynes, Tom Allen

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

Jason Manford, Roisin Conaty, Sam Simmons

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.

Isy Suttie, Richard Osman, Alex Horne

Jimmy Carr hosts as Sean Lock and Roisin Conaty go up against Jon Richardson and Nish Kumar. Adam Buxton joins Susie Dent in Dictionary Corner, with Rachel Riley.

Roisin Conaty, Nish Kumar, Adam Buxton

Guest captain David Walliams and Jonathan Ross take on Jon Richardson and Joe Lycett. Isy Suttie joins Susie Dent in Dictionary Corner, while Rachel looks after the letters and numbers.

David Walliams, Jonathan Ross, Joe Lycett, Isy Suttie

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.

David Mitchell, Cariad Lloyd, Russell Howard, Sam Simmons

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.

David O'Doherty, Johnny Vegas, Jamie Laing, Holly Walsh

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

James Acaster, Lee Mack, Sarah Millican, John Cooper Clarke

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.

Vic Reeves, Sara Pascoe, David O'Doherty

Sean Lock and Miles Jupp take on Jon Richardson and Rose Matafeo, while Vic Reeves joins Susie Dent in Dictionary Corner. Hosted by Jimmy Carr, with regular Countdown mathematician Rachel Riley looking after the numbers and letters.

Miles Jupp, Rose Matafeo, Vic Reeves

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.

Victoria Coren Mitchell, James Acaster, Morgana Robinson

Jimmy Carr hosts as Sean Lock and Kerry Godliman take on Jon Richardson and Joe Wilkinson. With Susie Dent, Rachel Riley and Dictionary Corner guest Mr Swallow, aka Nick Mohammed.

Kerry Godliman, Joe Wilkinson, Mr Swallow

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.

Harriet Kemsley, Joe Lycett, Mat Ewins

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

All Episodes of 8 Out of 10 Cats Does Countdown

Season 1

Lee Mack, Rob Beckett, Rhod Gilbert, Tim Key

Season 1 Episode 1 - Aired 4/12/2013

Lee Mack, Richard Osman, Stephen Mangan, Henning Wehn

Season 1 Episode 2 - Aired 4/19/2013