| 2025 | Silence is GoldenSeries | Self - Host | 52 |
| 2025 | Bank of Dave 2: The Loan RangerMovie | Self | 52 |
| 2024 | That ChristmasMovie | Additional Voices (voice) | 51 |
| 2023 | An Audience with KylieMovie | Self | 50 |
| 2021 | Blankety BlankSeries | Self - Panellist | 48 |
| 2021 | Rhod Gilbert's Growing PainsSeries | Guest | 48 |
| 2021 | Caroline Flack: Her Life and DeathMovie | Self | 48 |
| 2020 | The National Television Awards Celebrate 25 YearsMovie | Self | 47 |
| 2020 | Michael McIntyre's The WheelSeries | Self - Expert | 47 |
| 2020 | Miranda: My Such Fun CelebrationMovie | Self | 47 |
| 2020 | Ted LassoSeries | Dermot O'Leary | 47 |
| 2019 | Years and YearsSeries | Dermot O'Leary | 46 |
| 2019 | The X Factor CelebritySeries | Self - Host | 46 |
| 2019 | The Lateish Show with Mo GilliganSeries | Self | 46 |
| 2018 | The Great Celebrity Bake Off for Stand Up To CancerSeries | Self - Guest | 45 |
| 2018 | The London Studios: Home of the StarsMovie | Presenter | 45 |
| 2017 | 89Movie | Himself | 44 |
| 2016 | Michael McIntyre's Big ShowSeries | Self - Interviewed Guest | 43 |
| 2016 | Saving Lives at SeaSeries | Self | 43 |
| 2015 | A Christmas StarMovie | Himself | 42 |
| 2015 | Murder in SuccessvilleSeries | — | 42 |
| 2014 | Inside No. 9Series | Dermot O'Leary | 41 |
| 2012 | Celebrity Juice: Too Juicy For TV 2!Movie | Self | 39 |
| 2011 | OK! TVSeries | — | 38 |
| 2011 | One Direction: A Year in the MakingMovie | Self (archive footage) | 38 |
| 2010 | The National Television Awards Backstage LiveSeries | — | 37 |
| 2010 | James Corden's World Cup LiveSeries | Self - Guest | 37 |
| 2010 | Channel 4's Comedy GalaSeries | — | 37 |
| 2008 | Celebrity JuiceSeries | Self | 35 |
| 2008 | Big Brother: Celebrity HijackSeries | Self - Presenter | 35 |
| 2007 | Would I Lie to You?Series | Self | 34 |
| 2007 | Keeping Up with the KardashiansSeries | Self | 34 |
| 2006 | The One ShowSeries | Self | 33 |
| 2005 | The F WordSeries | — | 32 |
| 2004 | The X FactorSeries | Self - Presenter | 31 |
| 2004 | A Bear's Christmas TailMovie | Self | 31 |
| 2003 | The Terry and Gaby ShowSeries | — | 30 |
| 2003 | QISeries | Self | 30 |
| 2002 | Bo' Selecta!Series | — | 29 |
| 2002 | Ant & Dec's Saturday Night TakeawaySeries | Self | 29 |
| 2002 | Harry Hill's TV BurpSeries | Self - Special Guest | 29 |
| 2001 | Big Brother's Little BrotherSeries | Self - Host | 28 |
| 1999 | It's Only TV But I Like ItSeries | Self | 26 |
| 1996 | Never Mind the BuzzcocksSeries | Self | 23 |
| 1995 | The National Television AwardsSeries | Self - Host | 22 |
| 1995 | Soccer AMSeries | Self | 22 |
| 1993 | GMTVSeries | Self | 20 |
| 1992 | The Big BreakfastSeries | — | 19 |
| 1988 | This MorningSeries | Self - Presenter | 15 |
| 1980 | Children In NeedSeries | Self | 7 |
| 1978 | An Audience with...Series | Self | 5 |
| 1977 | The BRIT AwardsSeries | Self - Host | 4 |
| 1964 | Top of the PopsSeries | Self - Host | — |
| 1949 | The BAFTA AwardsSeries | Host | — |
