| Year,Title,Role,Channel,Notes | |
| 2003–,Have I Got News for You,Guest presenter,BBC One,Most frequent guest presenter to have appeared on the show | |
| 2006,Best of the Worst,Presenter,Channel 4,- | |
| 2009–,Pointless,Co-presenter,BBC Two/BBC One,With Richard Osman | |
| 2011,The Great British Weather,Co-presenter,BBC One,- | |
| 2011,Epic Win,Presenter,BBC One,- | |
| 2011–2013,Alexander Armstrong's Big Ask,Presenter,Dave,- | |
| 2013,Your Face Sounds Familiar,Contestant,ITV,- | |
| 2013,Prize Island,Co-presenter,ITV,With Emma Willis | |
| 2013,The 12 Drinks of Christmas,Co-presenter,BBC Two,With Giles Coren | |
| 2014,Alexander Armstrong's Real Ripping Yarns,Presenter,BBC Four,- | |
| 2015,Frank Sinatra: Our Way,Co-presenter,BBC One,One-off special; with Rochelle Humes | |
| 2015,Sunday Night at the Palladium,Presenter,ITV,Guest presenter; 1 episode | |
| 2015,Alexander Armstrong in the Land of the Midnight Sun,Presenter,ITV,- | |
| 2015,Rome's Invisible City,Presenter,BBC One,One-off special | |
| 2016,Bruce's Hall of Fame,Presenter,BBC One,Stand-in presenter for Bruce Forsyth | |
| 2017,Italy's Invisible Cities,Co-presenter,BBC One,With Dr. Michael Scott | |
| 2017,Don't Ask Me Ask Britain,Presenter,ITV,- | |
| 2017,Teach My Pet To Do That,Presenter,ITV,- | |
| 2017,A Very Royal Wedding,Presenter,ITV,One-off documentary | |
| 2017,Sheridan,Presenter,ITV,One-off special | |
| 2018–,The Imitation Game,Presenter,ITV,Comedy panel show | |