| The IT Crowd | 2010 | Actress | Rachel Riley |
| Arena Wars | 2024 | Thanks | special thanks |
| Countdown | 2009–2025 | Self | Self - Arithmetician |
| The Weakest Link | 2025 | Self | Self - Contestant |
| Inside Four Seasons: Park Lane TV Series | 2025 | Self | Self |
| 8 Out of 10 Cats Does Countdown | 2012–2025 | Self | Self |
| The Great Pottery Throw Down | 2024 | Self | Self - Contestant |
| The Chris McCausland Show | 2024 | Self | Self - Guest |
| The Wheel | 2021–2024 | Self | Self |
| Michael McIntyre's Big Show | 2017–2024 | Self | Self |
| Beat the Chasers | 2024 | Self | Self - Contestant |
| Breakfast | 2021–2023 | Self | Self |
| Robin Elliott Tonight TV Series | 2023 | Self | Self |
| Countdown: Championship of Champions TV Series | 2009–2023 | Self | Self - Arithmetician |
| Jon and Lucy's Odd Couples | 2023 | Self | Self |
| David Baddiel: Jews Don't Count | 2022 | Self | Self - Broadcaster and Arithmetician |
| Children in Need TV Movie | 2022 | Self | Self |
| Fantasy Football League | 2022 | Self | Self |
| Saturday Kitchen | 2016–2022 | Self | Self |
| Question Team | 2022 | Self | Self - Guest |
| CelebAbility | 2022 | Self | Self - Special Guest |
| Celebrity Juice | 2022 | Self | Self - Special Guest |
| Comic Relief: Red Nose Day | 2022 | Self | Self |
| Paul Sinha's TV Showdown | 2022 | Self | Self |
| Loose Women | 2022 | Self | Self |
| Rhod Gilbert's Growing Pains | 2021 | Self | Self |
| Celebrity Antiques Road Trip | 2021 | Self | Self - Guest |
| Blankety Blank | 2021 | Self | Self |
| Complaints Welcome | 2021 | Self | Self |
| Breakfast with Kay Burley | 2021 | Self | Self - Mathematician & Always Ambassador |
| Back to the... | 2020 | Self | Self |
| Family Fortunes | 2020 | Self | Self - Contestant |
| Celebrity Catchphrase | 2020 | Self | Self - Contestant |
| Viral: Antisemitism In Four Mutations | 2020 | Self | Self |
| Celebrity Countdown | 2019–2020 | Self | Self - Arithmetician |
| My Famous Babysitter | 2019 | Self | Self |
| Peston | 2019 | Self | Self - Campaigner and Broadcaster |
| 5 Gold Rings | 2019 | Self | Self - Contestant |
| Celebrity Gogglebox | 2019 | Self | Self |
| Good Morning Britain | 2017–2019 | Self | Self |
| The Jonathan Ross Show | 2019 | Self | Self - Guest |
| Lorraine | 2018–2019 | Self | Self - Guest |
| Ways to Change the World Podcast Series | 2019 | Self | Self |
| Richard Osman's House of Games | 2018 | Self | Self - Contestant |
| Celebrity Call Centre TV Mini Series | 2018 | Self | Self |
| Stand Up To Cancer | 2018 | Self | Self |
| Peng Life | 2018 | Self | Self |
| The Crystal Maze | 2018 | Self | Self |
| Celebrity Chase | 2012–2018 | Self | Self - Contestant |
| The Wright Stuff | 2018 | Self | Self - Panelist |
| West:Word | 2018 | Self | Self |
| Playing for Time | 2018 | Self | Self |
| The Chris Ramsey Show | 2018 | Self | Self - Guest |
| Match of the Day | 2018 | Self | Self - Spectator (uncredited) |
| The Premier League Show | 2018 | Self | Self - Rivalry VT |
| Oscars 2018 Live TV Special | 2018 | Self | Self - Panellist |
| Through the Keyhole | 2018 | Self | Self - Panellist |
| The Last Leg | 2017 | Self | Self |
| 8 Out of 10 Cats | 2011–2017 | Self | Self |
| Play to the Whistle | 2017 | Self | Self |
| That's the Way, A-Ha, A-Ha, Joe Lycett: Live | 2016 | Self | Self - Audience Member (uncredited) |
| Child Genius | 2016 | Self | Self - Contestant |
| Friday Night Football TV Series | 2016 | Self | Self - Presenter |
| Go 8 Bit | 2016 | Self | Self |
| It's Not Rocket Science | 2016 | Self | Self - Presenter |
| Virtually Famous | 2014–2016 | Self | Self - Panellist |
| The National Lottery Stars 2015 TV Movie | 2015 | Self | Self |
| Football Focus | 2014–2015 | Self | Self |
| Channel 4's Comedy Gala 2015 TV Special | 2015 | Self | Self |
| The Road to Wembley TV Movie | 2015 | Self | Self - Presenter |
| Room 101 | 2015 | Self | Self |
| Sam & Mark's Big Friday Wind-Up | 2015 | Self | Self |
| Would I Lie to You? | 2014 | Self | Self |
| Memory Slam TV Series | 2014 | Self | Self - Presenter |
| Celebrity Squares | 2014 | Self | Self |
| Stars at Your Service TV Mini Series | 2014 | Self | Self |
| Come on Down! The Game Show Story | 2014 | Self | Self - Co-host, Countdown |
| The Inbetweeners Go Global | 2014 | Self | Self |
| Celebrity Fifteen to One | 2014 | Self | Self - Contestant |
| TV Od | 2014 | Self | Self |
| Backchat | 2014 | Self | Self |
| 24 Hours to Go Broke | 2014 | Self | Self - Presenter |
| The Guess List | 2014 | Self | Self - Panellist |
| Sunday Brunch | 2013–2014 | Self | Self - Guest |
| The Gadget Show | 2013–2014 | Self | Self - Presenter |
| Who Wants to Be a Millionaire | 2014 | Self | Self - Contestant |
| Strictly Come Dancing | 2013 | Self | Self |
| Strictly Come Dancing: It Takes Two | 2013 | Self | Self |
| Sweat the Small Stuff | 2013 | Self | Self |
| I Love My Country | 2013 | Self | Self - Panelist |
| Top Gear | 2013 | Self | Self - Special Guest |
| Tipping Point: Lucky Stars | 2013 | Self | Self - Contestant |
| The Boat Race | 2013 | Self | Self - Guest |
| What's Cooking? From the Sainsbury's Kitchen | 2013 | Self | Self - Guest |
| '8 Out of 10 Cats' Does 'Deal or No Deal' | 2013 | Self | Self |
| UK360 Christmas TV Special | 2012 | Self | Self |
| 1001 Things You Should Know TV Series | 2012 | Self | Self |
| Pointless Celebrities | 2012 | Self | Self - Contestant |
| 12 Again | 2012 | Self | Self |
| Innuendo Bingo | 2012 | Self | Self - Contestant |
| The Mad Bad Ad Show | 2012 | Self | Self |
| Sport Relief 2012 | 2012 | Self | Self |
| The Bank Job | 2012 | Self | Self - Contestant |
| Celebrity Mastermind | 2012 | Self | Self |
| Stephen Fry's 100 Greatest Gadgets | 2011 | Self | Self |
| 100 Greatest Toys | 2010 | Self | Self |
| Coronation Street: The Big 50 TV Special | 2010 | Self | Self (uncredited) |
| Stand Up Hero TV Series | 2010 | Self | Self |
| England's Worst Ever Football Team | 2010 | Self | Self - Countdown |
| This Morning | 2009–2010 | Self | Self |
| Live from Studio Five | 2010 | Self | Self |
| Dispatches | 2010 | Self | Self |
| Celebrity Big Brother | 2010 | Self | Self - Special Guest |
| Calendar | 2009 | Self | Self |
| Chris Moyles Quiz Night | 2009 | Self | Self |
| Sky Sports Football | 1992 | Self | Self - Presenter (2016-2017) |
| Chinatown: A World in the Heart of the City Short | 2024 | Archive Footage | Self (archive footage) |
| 8 Out of 10 Cats Does Countdown | 2020–2023 | Archive Footage | Self - Arithmetician (archive footage) |
| Rachel Riley's Rude Words! | 2021 | Archive Footage | Self - Arithmetician (archive footage) |
| Innuendo Bingo | 2017 | Archive Footage | Self (archive footage) |
| It'll Be Alright on the Night 40 TV Special | 2016 | Archive Footage | Self |
| Rude Tube | 2013 | Archive Footage | Self (archive footage, uncredited) |
| 8 Out of 10 Cats | 2012 | Archive Footage | Self (archive footage) |