To celebrate the Winter Olympics, Blue Peter brings you a snow sport special! Radzi takes on a very special skeleton bob challenge, Lindsey gives snowboarding a go, and the two go head to head In a speed skating race! Where better to bring you a show full of action on ice, than the Swiss Alps?

It's the launch of the Blue Peter 2018 Sport Relief totaliser with the help of internet star Chris MD! Lindsey is joined in the studio by MOTD Kickabout's Ben Cajee, Radzi goes behind the scenes at the largest science experiment in the world and impressionist, Jess Robinson, sings a song or two.