Superstar K4 (Korean: 슈퍼스타 K4) is the fourth season of the South Korean television talent show series Superstar K, which premiered on 17 August 2012 on Mnet and airs every Friday night at 11PM KST. Lee Seung-Chul and Yoon Mi-Rae returned as judges,^[1] and were joined by singer/songwriter PSY who replaced Yoon Jong-Shin who had been a judge in the last two seasons.^[2] 2,083,447 applicants were recorded for this season, surpassing the record set by the previous season.^[3]

This program ended on November 23, 2012 with the announcement of Roy Kim as the winner and DickPunks as the runner-up.

As with the previous seasons, applicants were able to apply via the internet, phone or in person. However, with this season, the options of applying via KakaoTalk and karaoke also became available.^[4]

SuperWeek

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Due to the adoption of 12 finalists in Superstar K4 compared to 10 and 11 finalists in the previous seasons, the format was changed by which three finalists are eliminated in the first week, and two in the following three weeks till the Top 5 is reached (exceptions including the judges decision to save DickPunks in the Top 7 week). Judge PSY was replaced from the Top 9 week by singer Yoon Gun, due to his decision to commit to promoting his song 'Gangnam Style (강남스타일)' overseas.^[5] The elimination of a contestant will be determinant upon who has the lowest number of points: with 60 percent of the points from a live text poll, 30 percent from the judges' decision and 10 percent from a pre-broadcast online poll.^[6]