To celebrate the release of the final instalment in the Harry Potter film saga, this special programme counts down the 50 greatest Harry Potter moments. Robbie Coltrane - aka Hagrid - narrates the countdown and looks back at the events which have defined the story of Harry and his friends. From the very first meeting aboard the Hogwarts Express to the death of the mighty Dumbledore, there are numerous scenes that have made Harry Potter an international favourite. Featuring contributions from Daniel Radcliffe, Emma Watson, Rupert Grint, JK Rowling, Julie Walters, Ralph Fiennes, director David Yates and many more, as well as chats with celebrity fans including Will Young and Richard Curtis.