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 (song) Elks Rendezvous Band) recorded a clean version in 1938. In the first Fleischer "Popeye" cartoon, "Popeye the Sailor" (1933), "Barnacle Bill" was used as the recurring theme for the Bluto character. A later Fleischer "Popeye" cartoon, "Beware of Barnacle Bill" (1935), is a mock operetta based around a toned-down version of the song. Although versions differ in their content "Barnacle Bill" is structured as an exchange between Bill and a "fair young maiden." Each verse opens with inquiries by the maiden and continues with Bill's response. This version is credited to Anonymous and appears in "Immortalia" (1927). It is published