It is a reality television competition show. The fourth season returns with the same judges and host as season 3. Jun Hyun Moo is host. Yang Hyun Suk, Park Jin Young and You Hee Yeol return as judges. The contest began receiving applications in June, with preliminary auditions taking place in Seoul and throughout South Korea, as well as in the United States, Australia, Singapore, and Hong Kong until September 2014.
