This is a list of episodes of the South Korean variety-music show King of Mask Singer in 2020. The show airs on MBC as part of their Sunday Night lineup. The names listed below are in performance order.
Episodes
118th Generation Mask King (cont.)
Contestants:,, Kang Seung-sik, Choi Jeong-hwan, Naeun,, Harisu, Park Bom
Contestants: Chanmi,,, Kim Young-min, Jihoo, Kang Hyung-ho, Jung Yi-han,
;Episode 237 Episode 237 was broadcast on January 12, 2020. This marks the beginning of the Hundred-nineteenth Generation. ;Episode 238 Episode 238 was broadcast on January 19, 2020.
;Episode 239 Episode 239 was broadcast on January 26, 2020. This marks the beginning of the Hundred-twentieth Generation. ;Episode 240 Episode 240 was broadcast on February 2, 2020.
;Episode 241 Episode 241 was broadcast on February 9, 2020. This marks the beginning of the Hundred-twenty-first Generation. ;Episode 242 Episode 242 was broadcast on February 16, 2020.
122nd Generation Mask King
Contestants:, Miyeon,, Seung-gook Lee, Kim Jung-mo,, Boi B, Seungyoon
;Episode 243 Episode 243 was broadcast on February 23, 2020. This marks the beginning of the Hundred-twenty-second Generation. ;Episode 244 Episode 244 was broadcast on March 1, 2020.
;Episode 245 Episode 245 was broadcast on March 8, 2020. This marks the beginning of the Hundred-twenty-third Generation. ;Episode 246 Episode 246 was broadcast on March 15, 2020.
;Episode 247 Episode 247 was broadcast on March 22, 2020. This marks the beginning of the Hundred-twenty-fourth Generation. ;Episode 248 Episode 248 was broadcast on March 29, 2020.
125th Generation Mask King
Contestants: Kim Hye-ri,, Kim Woo-seok,,, Baek Chan, Rangshow, Hyerim
;Episode 249 Episode 249 was broadcast on April 5, 2020. This marks the beginning of the Hundred-twenty-fifth Generation. ;Episode 250 Episode 250 was broadcast on April 12, 2020.
;Episode 251 Episode 251 was broadcast on April 19, 2020. This marks the beginning of the Hundred-twenty-sixth Generation. ;Episode 252 Episode 252 was broadcast on April 26, 2020.
127th Generation Mask King
Contestants: Code Kunst, Na Tae-joo,,, Kim Kang-hoon,, Abhishek Gupta, Lee Min
;Episode 253 Episode 253 was broadcast on May 3, 2020. This marks the beginning of the Hundred-twenty-seventh Generation. ;Episode 254 Episode 254 was broadcast on May 10, 2020.
;Episode 255 Episode 255 was broadcast on May 17, 2020. This marks the beginning of the Hundred-twenty-eighth Generation. ;Episode 256 Episode 256 was broadcast on May 24, 2020.
;Episode 257 Episode 257 was broadcast on May 31, 2020. This marks the beginning of the Hundred-twenty-ninth Generation. ;Episode 258 Episode 258 was broadcast on June 7, 2020.
;Episode 259 Episode 259 was broadcast on June 14, 2020. This marks the beginning of the Hundred-thirtieth Generation. ;Episode 260 Episode 260 was broadcast on June 21, 2020.
;Episode 261 Episode 261 was broadcast on June 28, 2020. This marks the beginning of the Hundred-thirty-first Generation. ;Episode 262 Episode 262 was broadcast on July 5, 2020.
;Episode 263 Episode 263 was broadcast on July 12, 2020. This marks the beginning of the Hundred-thirty-second Generation. ;Episode 264 Episode 264 was broadcast on July 19, 2020.
133rd Generation Mask King
Contestants: Yeonho, Bizzy,, KCM,, Kim Hyun-soo,, Yang Jung-a
;Episode 265 Episode 265 was broadcast on July 26, 2020. This marks the beginning of the Hundred-thirty-third Generation. ;Episode 266 Episode 266 was broadcast on August 2, 2020.
