In this episode Luca and Melua go deep into the desert of South Africa's Northern Cape - they're on the hunt for something fast... VERY fast! But this time it's not an animal - it's the Bloodhound Rocket Car! Out here along the desert flats, the Bloodhound car and its team of experienced drivers are attempting to break the land speed record - and Luca and Melua will be right there in the heart of the action to see all the excitement unfold!