Bill and Gary head toward a sacred lagoon that has never been visited by a car before. They travel up the rivers of the Los Tuxtla jungle ? which some say is protected by spirits.
Bill and Gary want to smash the record and make Ruby the highest car ever on the 14,000ft high peak of Pico De Orizaba. But will they succeed?
In Baja, Mexico, Gary and Bill point Ruby towards a valley so remote it has no name. But their way in is barred by a 35-metre-high rock wall. Can 'Ruby' scale it?
Bill and Gary follow the Pirate Coast of Mexico, heading for a pirate lighthouse used for wrecking ships, never reached before by car. But will they make it?
Gary and Bill go to the moon? A massive crater so alien it was used by NASA to train for the moon landings. It's one of Gary and Bill's biggest-ever challenges.
Gary and Bill set off into the dense Mexican jungle. But the combination of vicious plants and venomous creatures prove to be an unending tropical nightmare.
Bill and Gary attempt to take 'Ruby' the 4x4 from San Felipe to the beach, across 100 kilometres of arid desert in Mexico. But will the car survive the trip?
Bill and Gary take on Mexico's Sierra Juarez mountains, 1,800 metres above sea-level, following a Native American foot route. Could this prove a challenge too far?
Bill and Gary look back on 10 tough weeks in the mountains, rivers, jungles and deserts of Mexico to decide who emerged the winner from their epic expedition.
