| 2025 | Boyzone: No Matter WhatSeries | Self | 48 |
| 2022 | StarstruckSeries | Self - Guest Judge | 45 |
| 2021 | I Can See Your VoiceSeries | Self - Performer | 44 |
| 2020 | The A-Z of EurovisionMovie | Self - Presenter (archive footage) | 43 |
| 2020 | Miranda: My Such Fun CelebrationMovie | Self | 43 |
| 2017 | The Voice KidsSeries | Self - Coach | 40 |
| 2017 | Another Mother's SonMovie | Harold Le Druillenec | 40 |
| 2016 | Michael McIntyre's Big ShowSeries | Self - Participant | 39 |
| 2012 | Keith Lemon: The FilmMovie | Ronan Keating | 35 |
| 2011 | Klein gegen Groß - Das unglaubliche DuellSeries | Self | 34 |
| 2011 | The Voice of GermanySeries | Self - Coach | 34 |
| 2011 | OK! TVSeries | — | 34 |
| 2011 | The Nation's Favourite Bee Gees SongMovie | Self | 34 |
| 2009 | The Meaning of LifeSeries | Self | 32 |
| 2009 | Chris Moyles' Quiz NightSeries | Self | 32 |
| 2009 | Kate Garraway's Life StoriesSeries | Self | 32 |
| 2009 | Talkin' 'Bout Your GenerationSeries | Self - Contestant | 32 |
| 2009 | Tonight's the NightSeries | — | 32 |
| 2008 | Celebrity JuiceSeries | Self | 31 |
| 2008 | Boyzone: Back Again... No Matter What - LiveMovie | Self | 31 |
| 2008 | Gaybo Laughs BackMovie | Self (Boyzone) | 31 |
| 2007 | Would I Lie to You?Series | Self | 30 |
| 2007 | The Alan Titchmarsh ShowSeries | Self | 30 |
| 2006 | Loose at 5:30Series | — | 29 |
| 2006 | The One ShowSeries | Self | 29 |
| 2005 | 8 Out of 10 CatsSeries | Self - Panelist | 28 |
| 2005 | The Friday Night ProjectSeries | Self - Boyzone | 28 |
| 2005 | The X FactorSeries | Self - Judge | 28 |
| 2004 | The X FactorSeries | Self - Guest Judge | 27 |
| 2004 | Zucchero | Zu and co.: Live at Royal Albert HallMovie | Self | 27 |
| 2003 | Die ultimative ChartshowSeries | Self | 26 |
| 2003 | Top of the Pops SaturdaySeries | Self | 26 |
| 2003 | Ho Ho Ho Selecta!Movie | Celebrity of Christmas Past | 26 |
| 2002 | V Graham NortonSeries | Self | 25 |
| 2002 | Party in the Park 1999Movie | Self - Boyzone | 25 |
| 2001 | Friday Night with Jonathan RossSeries | Self | 24 |
| 2001 | Star AcademySeries | Self | 24 |
| 2000 | Life & CookingSeries | Self | 23 |
| 2000 | Boyzone: 2000 Live at the PointMovie | Self | 23 |
| 2000 | Elton John: One Night Only, The Greatest HitsMovie | Self - Guest Appearance | 23 |
| 1999 | TV totalSeries | Self | 22 |
| 1999 | RoveSeries | Self | 22 |
| 1998 | Andrew Lloyd Webber: The Royal Albert Hall CelebrationMovie | Self - Performer | 21 |
| 1998 | ParkinsonSeries | Self | 21 |
| 1998 | Ein Herz für KinderSeries | Self | 21 |
| 1998 | An Audience with the Bee GeesMovie | Self - Boyzone (uncredited) | 21 |
| 1997 | Leute heuteSeries | Self | 20 |
| 1997 | TaffSeries | self | 20 |
| 1997 | Boyzone: Something ElseMovie | Self | 20 |
| 1996 | Clive Anderson All TalkSeries | — | 19 |
| 1996 | Boyzone: Live at WembleyMovie | Self | 19 |
| 1996 | TFI FridaySeries | — | 19 |
| 1995 | Boyzone: Said and DoneMovie | Self | 18 |
| 1994 | Room 101Series | Self | 17 |
| 1993 | GMTVSeries | Self | 16 |
| 1989 | Geld oder LiebeSeries | Self | 12 |
| 1988 | Smash Hits Poll Winners PartySeries | Self | 11 |
| 1987 | Le monde est à vousSeries | Self - Boyzone | 10 |
| 1981 | Wetten, dass..?Series | Self | 4 |
| 1978 | An Audience with...Series | Self | 1 |
| 1977 | The BRIT AwardsSeries | Self | — |
| 1964 | Top of the PopsSeries | Self | — |
| 1956 | Eurovision Song ContestSeries | Self - Presenter | — |
| 0 | Boyzone: One for the RoadMovie | Self | — |
