2/7. Northern Ireland's Bogmen and Determinators rev up against each other. They have to tackle extreme racing, reversing and mowing challenges to grab a place in the semi-final. Also in HD. [S]
1/7. In this English heat, the all-female Diva Drivers from Leicestershire are determined to outmanoeuvre Somerset's Checkshirt Choppers and win a place in the semi-final. Also in HD. [S]
3/7. It's Wales's turn for a wheel-spinning, rubber-burning tug of war between the West Wales Cowboys and the Chipmunks as they fight for a place in the semi-final. Also in HD. [S]