O'Clock News and BBC Ten O'Clock News and co-presented the BBC News at Six on Fridays from September 2003 to summer 2007 alongside Sian Williams. His presenting style was lampooned in the impersonation sketch show Dead Ringers by Jon Culshaw, his widely spaced legs on the presenting couch mocked with the phrase "I'm Dermot Murnaghan, watch my crotch follow you round the room." Whilst at the BBC, he co-presented BBC Two's Treasure Hunt (2002–2003), a revival of an earlier format on Channel 4 alongside Suzi Perry. He co-presented BBC Breakfast from Monday to Thursday as well as regularly fronting national BBC news bulletins until December 2007. In October 2007, it was announced that Murnaghan would be leaving the BBC for Sky News. Murnaghan became the second news presenter to depart the corporation in the same month – Natasha Kaplinsky also left to join Five News, produced by Sky. His last time presenting Breakfast was 20 December 2007. Murnaghan presented the BBC Two daytime show Eggheads from 2003 until 2014, as well as its short-lived spin-off series Are You an Egghead? in 2008 and 2009. Following his move to Sky News he shared this role with Jeremy Vine, who subsequently became the sole presenter in series 16. Murnaghan has guest presented reports for different travel shows including ITV's Wish You Were Here...? and BBC One's rival programme Holiday. He has made cameos as a newsreader in the 2004 film Wimbledon, Absolute Power and Midnight Man. From January 2011 until December 2016, Murnaghan presented his own show entitled Murnaghan on Sky News that aired on Sunday mornings from 10 am until 12 noon. Since September 2016, he has presented Sky News Tonight from Monday to Thursday. For the 2019 general election Murnaghan hosted Sky News' overnight coverage, entitled The Brexit Election. On the night of 8 September 2022, Dermot Murnaghan announced the death of Queen Elizabeth II, presenting the afternoon rolling news coverage following an announcement from Buckingham Palace earlier in the day as Sky News was the first television news organization to report her passing. Controversies Chuka Umunna interview On 19 January 2015, Murnaghan was criticised for his supposedly hostile attitude towards Shadow Business Secretary Chuka Umunna during an interview where Murnaghan asked Umunna if he agreed with the statement sent by the Communities Secretary to the Muslim community earlier in the day. Umunna acknowledged that he had not read it,