First of an eight-part series following three pairs of friends on backpacking journeys around the world. Chosen from thousands of applicants, Andrew and Matt explore the Caribbean, where they drink rum, encounterthe wildlife and dress up in monks' habits, while Helen and Alison visit the hill tribes of north Thailand, trekking into the jungle on elephants. Ade and Paul begin their trip in Spain, where Paul loses his money but finds holiday romance. Narrated by Lisa I'Anson. Series producer Nicola Moody