Paddy and Freddie head to Borneo for a jungle adventure with the Gurkhas in a pair of very rare, very cheap old cars. Chris Harris tries out the world's most luxurious SUV, the Rolls-Royce Cullinan, while Bob Mortimer is the studio guest.

Paddy, Freddie and Chris set out on a high-altitude voyage from Kathmandu to the Forbidden City of Lo Manthang, through the highest mountains, deepest gorges and harshest terrain on the planet.