After weeks of hard training it’s the final part of Lindsey Russell’s Mountain Marathon challenge. Will she manage to complete the 35-mile race across glaciers and skiing down the Swiss Alps?
Radzi Chinyanganya joins diving star 14-year-old Matthew Dixon, and the presenter is challenged to take the plunge from a 10m height. Plus, Lindsey Russell and Barney Harwood meet an up-and-coming racer and compete in a head-to-head driving challenge.
It is the purple badge special, awarded for sending in a review of a Blue Peter show. And to celebrate, everything in this episode has been requested by you the viewer. One of those requests is for top tips on the world of vlogging.
Celebrities including actors James McAvoy and Chris O'Dowd, DJ Edith Bowman and author Michael Morpurgo explain their love of books. Barney Harwood also gets an insight into this year's 500 Words story-writing competition. Plus, scientist Greg Foot reveals the secrets behind electricity.
The team launches an FA Cup competition, and are joined by a bunch of football mascots, while Barney Harwood tries his hand at photography at Manchester City's ground. Plus, former Blue Peter presenter Yvette Fielding takes part in a pancake flipping competition to celebrate Shrove Tuesday.
Blue Peter continues the mission to find CBBC Intelligence Officers. Over 5000 viewers applied but only three get the chance to go inside MI5's Headquarters.
With Christmas just around the corner, Lindsey and Radzi go head to head in an ice-sculpting challenge. The team take a look back at some moments from the past year.