Blue Peter is a British CBBC children's television programme. It first aired in 1958 and is the longest-running children's TV show in the world. Although the show has a nautical title and theme, its current format takes the form of a magazine/entertainment show containing viewer and presenter challenges, as well as the famous arts and crafts "makes" (see below). It is shown on the CBBC channel. During its history there have been many presenters, often consisting of two women and two men at a time. The show uses a studio for the main format of the presenting; there is also a garden, often referred to as the Blue Peter Garden, which is used during the summer months or for outdoor activities. The current presenters are Barney Harwood, Lindsey Russell and Radzi Chinyanganya. There is also a trainee guide dog named Iggy which Blue Peter is looking after during its first year of training.