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 (slang) determine the root cause of the problem. In some cases, manufacturing changes may need to be made such as trace contaminants being introduced during some phase of manufacturing. In other cases, the problem has to do with the design of the product and a change has to be made in the product design. When a product design change is required, often and when possible, a barnacle is designed so that existing products can be modified with the design change using the barnacle. By using a barnacle, the idea is that existing products do not need to be scrapped and replaced