Blue Peter 2002, repeats of "Blue Peter" started being shown on CBBC on Choice's successor, the newly launched CBBC Channel, along with spin-off shows "Blue Peter Unleashed" and "Blue Peter Flies the World". From 2003 a new arrangement involved new material being shown daily, on both BBC One and the CBBC Channel. In 2017, "Blue Peter Bite", a five-minute programme which features challenges previously shown on the programme was introduced. The signature tune has always been a hornpipe, originally using variations of Barnacle Bill by Herbert Ashworth-Hope, and should not be confused with the American sailor song of the same title. The
Barnacle Bill (1957 film) as a favour to the director. In later years, however, he recalled it as "wretched, (a film) ... I never wanted to do and only did out of friendship to Charley Frend." Although "Barnacle Bill" was the last Ealing comedy, it was shot at Hunstanton Pier and Borehamwood Studios, as Ealing Studios had closed and was sold to the BBC for television production. "Barnacle Bill" as "All at Sea" was reviewed in "The New York Times" by Bosley Crowther. His review was sympathetic to the failings of the film and script but he did see redeeming qualities in Guinness's performance.