This is a list of episodes of the South Korean variety-music show King of Mask Singer in 2015. The show airs on MBC as part of their Sunday Night lineup. The names listed below are in performance order. A new rule was introduced in Episode 5, with the eliminated singer being allowed to sing the next song they prepared, and taking off their mask during the instrumental break of their song.
The pilot was broadcast on 18 February 2015.
Episode 1 was broadcast on April 5, 2015. This marks the beginning of the First Generation.
Episode 2 was broadcast on April 12, 2015.
Episode 3 was broadcast on April 19, 2015. This marks the beginning of the Second Generation.
Episode 4 was broadcast on April 26, 2015.
Episode 5 was broadcast on May 3, 2015. This marks the beginning of the Third Generation.
Episode 6 was broadcast on May 10, 2015.
Luna released a digital special single "Don't Cry For Me" (미ìÂÂ를 ëÂÂì°며 ëÂÂ를 ë³´ë¸ ê·¸ 모ìµì²Âë¼) for the show after her elimination. The song is a remake of 's 1986 version.
Episode 7 was broadcast on May 17, 2015. This marks the beginning of the Fourth Generation.
Episode 8 was broadcast on May 24, 2015.
Episode 9 was broadcast on May 31, 2015. This marks the beginning of the Fifth Generation.
Episode 10 was broadcast on June 7, 2015.
Episode 11 was broadcast on June 14, 2015. This marks the beginning of the Sixth Generation.
Episode 12 was broadcast on June 21, 2015.
Episode 13 was broadcast on June 28, 2015. This marks the beginning of the Seventh Generation.
Episode 14 was broadcast on July 5, 2015.
Episode 15 was broadcast on July 12, 2015. This marks the beginning of the Eighth Generation.
Episode 16 was broadcast on July 19, 2015.
Episode 17 was broadcast on July 26, 2015. This marks the beginning of the Ninth Generation.
Episode 18 was broadcast on August 2, 2015.
Episode 19 was broadcast on August 9, 2015. This marks the beginning of the Tenth Generation.
Episode 20 was broadcast on August 16, 2015.
Episode 21 was broadcast on August 23, 2015. This marks the beginning of the Eleventh Generation.
Episode 22 was broadcast on August 30, 2015.
Episode 23 was broadcast on September 6, 2015. This marks the beginning of the Twelfth Generation.
Episode 24 was broadcast on September 13, 2015.
The special live broadcast aired on September 11, 2015, as part of the DMC Festival. This was a special edition that brought back contestants that had been eliminated in previous episodes, and a special Mask King was chosen from live voting (in 3 minutes after each pair's performance). Jo Jang-hyuk was able to perform as a challenger in Episode 34.
Episode 25 was broadcast on September 20, 2015. This marks the beginning of the Thirteenth Generation.
Episode 26 was broadcast on September 27, 2015.
Episode 27 was broadcast on October 4, 2015. This marks the beginning of the Fourteenth Generation.
Episode 28 was broadcast on October 11, 2015.
Episode 29 was broadcast on October 18, 2015. This marks the beginning of the Fifteenth Generation.
Episode 30 was broadcast on October 25, 2015.
Episode 31 was broadcast on November 1, 2015. This marks the beginning of the Sixteenth Generation.
Episode 32 was broadcast on November 8, 2015.
Episode 33 was broadcast on November 15, 2015. This marks the beginning of the Seventeenth Generation.
Episode 34 was broadcast on November 22, 2015. "Sensitivity Vocal Cricket", who was Mask King of the special live broadcast (aired September 11, 2015), participated in the final battle with the Sixteenth Generation Mask King and the Challenger.
Episode 35 was broadcast on November 29, 2015. This marks the beginning of the Eighteenth Generation.
Episode 36 was broadcast on December 6, 2015.
Episode 37 was broadcast on December 13, 2015. This marks the beginning of the Nineteenth Generation.
Episode 38 was broadcast on December 20, 2015.
Episode 39 was broadcast on December 27, 2015. This marks the beginning of the Twentieth Generation.