Blue Peter the 50th anniversary) the opening arrangement of the tune was reworked to include elements of "Barnacle Bill" once again. The closing theme for 2008 is the same as opening signature tune. In September 2011, the series returned to using "Barnacle Bill" though with the opening bars and drum roll omitted (along with the "Sailor's Hornpipe") and the traditional closing signature tune not used. 1958–1989: The earliest episodes featured stock footage of a sailing ship under the opening credits. By the late 1960s, Blue Peter's opening sequence featured extracts of that edition's filmed inserts or an event in the studio where
Barnacle Barnacle A barnacle is a type of arthropod constituting the infraclass Cirripedia in the subphylum Crustacea, and is hence related to crabs and lobsters. Barnacles are exclusively marine, and tend to live in shallow and tidal waters, typically in erosive settings. They are sessile (nonmotile) suspension feeders, and have two nektonic (active swimming) larval stages. Around 1,220 barnacle species are currently known. The name "Cirripedia" is Latin, meaning "curl-footed". The study of barnacles is called cirripedology. Barnacles are encrusters, attaching themselves permanently to a hard substrate. The most common, "acorn barnacles" (Sessilia), are sessile, growing their shells directly onto the