Barney chats to Tim Peake. Angellica Bell reveals the Book Award winners and Mary Poppins gives a performance in the studio.

Live from the Velodrom in Queen Elizabeth Olympic Park, Blue Peter present a special edition for Sports Relief. In this episode, find out how Blue Peter's Lindsey Russell, 'The Wave Runner', does as she takes on one of the programme's most challenging tasks for Sports Relief. Elsewhere Barney shows where the money raised by Sports Relief goes. The charity will fund important projects across the UK and abroad.