Blue Peter stretch of track which, on 3 July 1938, saw the world speed record for steam locomotives of set by LNER A4 Locomotive no. 4468 "Mallard". In October 1998, Richard Bacon was sacked, following reports in "News of the World" that he had taken cocaine. This incident followed shortly after the show's 40th anniversary, when previous presenters returned for a special programme. Those returning included Leila Williams, Valerie Singleton, John Noakes, Peter Purves, Diane Louise Jordan, Anthea Turner, John Leslie, Tim Vincent, Yvette Fielding, Caron Keating, Mark Curry, Janet Ellis, Peter Duncan, Sarah Greene, Tina Heath, Simon Groome and Christopher Wenner.
Matt Baker (presenter) of "Secret Britain" with Julia Bradbury and presented "One Man and His Dog" with Kate Humble. From May to August 2010, Baker was a guest presenter on BBC One's magazine programme "The One Show", standing in for Jason Manford. Following Manford's resignation on 18 November 2010, Baker acted as a guest co-host on the programme. He later took over as a permanent presenter on the show, co-hosting with Alex Jones from Monday through to Thursday. On 8 March 2011 Baker gained media attention by asking the Prime Minister David Cameron, "How on earth do you sleep at night?". Opinions differed