All eight episodes of the TV series in which presenter Guy Martin embarks on a number of speed oriented challenges. Throughout the show, the motorbike racing mechanic tries to break the national record for the fastest bicycle with the help of Olympian Laura Trott, fly using only his muscle power and win the American Pike's Peak International Hill Climb. Series 1 episodes are: 'Britain's Fastest Cyclist', 'Hydroplaning Bike', 'Human Powered Aircraft' and 'World's Fastest Toboggan'. Series 2 episodes are: 'Tandem', 'Pike's Peak', 'Hovercraft' and 'Gravity Racer'.