Mulhern began his television career with CITV, presenting shows such as Finger Tips, Tricky TV and Holly & Stephen's Saturday Showdown until 2006, when he got his big break presenting the ITV2 spin-off show Britain's Got More Talent, airing immediately after the main ITV show, which is hosted by Ant & Dec.
The selection show, broadcast on digital channel ITV2, was held on 4 September 2004 and was presented by Holly Willoughby, Stephen Mulhern and Michael Underwood.
Stephen King | Stephen Sondheim | Stephen Fry | Stephen Harper | Stephen Hawking | Stephen Stills | Stephen | Stephen Frears | Stephen Crane | Stephen Foster | St. Stephen's College, Delhi | Stephen Hendry | Stephen Gardiner | Stephen Rea | Stephen Jay Gould | Stephen F. Austin | Stephen Colbert | Stephen Breyer | Stephen Thomas Erlewine | Stephen Merchant | Stephen Chow | Marcus Stephen | Stephen Spender | Stephen Lewis | Stephen Kovacevich | James Fitzjames Stephen | St. Stephen | Stephen Hopkins | Stephen Bishop | St. Stephen's College |
Various features were presented by Jenni Falconer, Brian Dowling, Stephen Mulhern, Adam and Charlie Benton, Darren Kennedy, Mikey Phillips, Mark Woolley, Lisa Fitzpatrick, Laura Jackson, Paul Manktelow, Tracey Martin, Christian Howes, Denise Robertson, Anna Williamson, Dr Chris Steele, Dr Ranj Singh, Sharon Marshall and Sue Hill.