Superstar K
Superstar K4 () is the fourth season of the South Korean television talent show series Superstar K, which premiered on 17 August 2012 on M.net and airs every Friday night at 11PM KST. Lee Seung-Chul and Yoon Mi-Rae returned as judges, and were joined by singer/songwriter PSY who replaced Yoon Jong-Shin who had been a judge in the last two seasons.