Bryant Gumbel travels to South Korea to find out how a country roughly the size of Indiana and making up less than one percent of the world’s population has come to dominate a sport.. Real Sports debuts Tues., May 22 at 10pm ETPT on HBO. For more information on HBO Sports, visit br Watch HBO Sports series and events online at HBO GO® br With HBO GO, you can watch your favorite HBO Sports series and events on your iPad® (), iPhone® () or Android™ () smartphone. Free with your HBO subscription through participating TV providers.