Alexander journeys across South Korea, one of the most influential and successful countries on earth, known for its manufacturing strength and cultural exports. He arrives late at night in bustling downtown Seoul, and kicks off his epic Korean adventure in Gangnam, the fabled district immortalised by Psy's Gangnam Style video. Helping to keep modern Korea on the global map are its YouTube stars, and Alexander wolfs down noodles with Heebab, a record-breaking Mukhbang 'bulk-eater', and meets Korean Billy, whose English accent