Top Gear Series 27 Episode 4 Episode 4 ( Air Date 2019-07-07 ) Genre Reality, Talk category. Overview "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.".