Season 4 - Episode Guide

London cabbie Mason McQueen heads to Mumbai to test his skills on some of the busiest and most chaotic streets in the world.

Dairy farmer Richard Gibson swaps the damp surroundings of Devon to live and work with Samburu tribesmen in the parched and desolate mountains of northern Kenya.

Firefighter Neil Fairhall is leaving his fire station in Hayward's Heath and heading to the Amazon to fight some of the biggest forest fires in the world.

London bus driver Josh West returns to the chaotic streets of Manila in the Phillipines. In 2010, Josh spent two weeks driving a jeepney there with his host Rogelio Castro.

Cornish fisherman Andy Giles returns to Sierra Leone to see what has happened to a fishing community whose survival was under threat from illegal trawlers.

Wilbur Ramirez revisits Jakarta, where he lived and worked as part of the army of semi-destitute binmen who collect rubbish in one of the world's fastest growing cities.