Pairs of celebrities attempt to tackle some of the most dangerous roads in the world.
Siberia: Episode Image
Episode 1Siberia
Comedic chums Ed Byrne and Andy Parsons brave freezing temperatures as they drive across Siberia's infamous Road of Bones, encountering icy tracks and deserted gulags.
Ho Chi Minh Trail: Episode Image
Episode 2Ho Chi Minh Trail
Sue Perkins and Liza Tarbuck have to dodge unexploded bombs as they tackle the Ho Chi Minh Trail, a mazy network of dangerous roads through Laos and Vietnam.
Ethiopia: Episode Image
Episode 3Ethiopia
Comedians Hugh Dennis and David Baddiel are shaking to their funny bones as they drive 2,000km along Ethiopia's bumpy roads in a quest to find the Ark of the Covenant!