List of Weekly Idol episodes
Weekly Idol is a South Korean variety show, which aired on Wednesdays at 6:20 PM KST on MBC M, and 12:00 AM KST on MBC Every1, MBC's cable and satellite networks for its first five seasons.
For its first season, the show was hosted by comedian Jung Hyung-don and rapper Defconn.
The second season, which debuted on April 11, 2018, was hosted by former Roo'ra member Lee Sang-min and comedians Yoo Se-yoon & Kim Shin-young.
The third season, which debuted on January 9, 2019, was hosted by comedians Jo Se-ho & Nam Chang-hee and ZE:A's Hwang Kwang-hee. On February 12, 2020, it was announced that Jo Se-ho and Nam Chang-hee would leave their hosting roles, and there would be special MCs recruited to join Hwang Kwang-hee in hosting each episode, starting from the episode on February 19 until the episode on April 15. On April 17, it was announced that Super Junior's Eunhyuk would join as fixed host with Hwang Kwang-hee, starting from the episode on April 22.
On April 4, 2023, it was announced that Hwang Kwang-hee and Eunhyuk would leave their hosting roles after the episode on April 12, and BtoB's Seo Eun-kwang and Lovelyz's Mijoo would replace the former two beginning the episode on April 19; this marked the beginning of Season 4. A reorganisation of the show happened beginning the episode on November 1, 2023, and Mukbang YouTuber Heebab would join the fixed cast lineup only during the mukbang section. On December 26, 2023, it was announced that Seo Eun-kwang and Lee Mi-joo would leave their hosting roles, with their last episode airing the next day, and this marked the end of Season 4.
On January 2, 2024 it was announced that Boom and Golden Child's Lee Jang-jun would be the new hosts, beginning the episode on January 17, which would also be the beginning of Season 5.
The show went on a six-month hiatus after the episode on December 25, 2024, before confirming its return on June 6, 2025, as Season 6, with Monsta X's Minhyuk and Cravity's Hyeongjun named the new MCs. The season will also be aired in a new timeslot of Fridays at 5:30 PM KST on MBC M, and 11:30 PM KST on MBC Every1.
2012
| No. in overall | No. in season | Air Date | Featured guests | Notes |
| 25 | 25 | January 7 | Apink | |
| 26 | 26 | January 14 | B1A4 | |
| 27 | 27 | January 21 | Boyfriend | |
| 28 | 28 | January 28 | Dal Shabet | |
| 29 | 29 | February 4 | T-ara | |
| 30 | 30 | February 11 | MBLAQ | |
| 31 | 31 | February 18 | Teen Top | |
| 32 | 32 | February 25 | Teen Top | Special Appearance: Andy |
| 33 | 33 | March 3 | Jay Park | |
| 34 | 34 | March 14 | FT Island | |
| 35 | 35 | March 21 | Miss A | |
| 36 | 36 | March 28 | Miss A | |
| 37 | 37 | April 4 | Haha | |
| 38 | 38 | April 11 | Haha | |
| 39 | 39 | April 18 | 2AM | |
| 40 | 40 | April 25 | B1A4 | |
| 41 | 41 | May 2 | SHINee | |
| 42 | 42 | May 9 | SHINee | |
| 43 | 43 | May 16 | 4Minute, BtoB | |
| 44 | 44 | May 23 | Apink | |
| 45 | 45 | May 30 | Hyungdon and Daejun | Special MCs: Haha, Sistar |
| 46 | 46 | June 6 | Nine Muses | |
| 47 | 47 | June 13 | Infinite | |
| 48 | 48 | June 20 | Infinite | |
| 49 | 49 | June 27 | Teen Top | |
| 50 | 50 | July 4 | G.NA | |
| 51 | 51 | July 11 | f(x) | |
| 52 | 52 | July 18 | After School | Weekly Idol 1st Anniversary |
| 53 | 53 | July 25 | After School | Weekly Idol 1st Anniversary |
| 54 | 54 | August 1 | Hello Venus, NU'EST | |
| 55 | 55 | August 8 | Skull & Haha | |
| 56 | 56 | August 15 | Infinite | |
| 57 | 57 | August 22 | B.A.P | |
| 58 | 58 | August 29 | Beast | |
| 59 | 59 | September 5 | Beast | |
| 60 | 60 | September 12 | Super Junior | |
| 61 | 61 | September 19 | Super Junior | |
| 62 | 62 | September 26 | Secret | |
| 63 | 63 | October 3 | Secret | |
| 64 | 64 | October 10 | Tasty, Hyungdon and Daejun | Special MCs: Infinite |
| 65 | 65 | October 17 | ZE:A | |
| 66 | 66 | October 24 | BtoB | |
| 67 | 67 | October 31 | Orange Caramel | |
| 68 | 68 | November 7 | Spica, Fiestar | |
| 69 | 69 | November 14 | Miss A | |
| 70 | 70 | November 21 | Miss A | Special MC: Ilhoon |
| 71 | 71 | November 28 | Block B | |
| 72 | 72 | December 5 | Jewelry | Special MC: Ilhoon |
| 73 | 73 | December 12 | B1A4, | Special Appearance: Hyukjin |
| 74 | 74 | December 19 | Girl's Day | Special MC: Ilhoon |
| 75 | 75 | December 26 | Sunggyu, Ilhoon | 2nd Weekly Idol Awards Special MC: Sohyun |
2013
| No. in overall | No. in season | Air Date | Featured guests | Notes |
| 76 | 76 | January 2 | Ailee | |
| 77 | 77 | January 9 | Yang Yo-seob | |
| 78 | 78 | January 16 | Hello Venus | |
| 79 | 79 | January 23 | INFINITE H | |
| 80 | 80 | January 30 | 2Yoon, Sohyun | Special MC: Ilhoon |
| 81 | 81 | February 6 | Nine Muses | |
| 82 | 82 | February 13 | Dal Shabet | |
| 83 | 83 | February 20 | Sistar19 | |
| 84 | 84 | February 27 | Huh Gak, Hyungdon and Daejun | Special MCs: Sohyun, Ilhoon |
| 85 | 85 | March 6 | B.A.P | Special Appearance: Kim Bohyung |
| 86 | 86 | March 13, 2013 | Rainbow | |
| 87 | 87 | March 20 | 4Minute | Special MC: Ilhoon |
| 88 | 88 | March 27 | 4Minute | Special MC: Ilhoon |
| 89 | 89 | April 3 | SHINee | Minho is absent |
| 90 | 90 | April 10 | SHINee | Minho is absent |
| 91 | 91 | April 17 | Speed, Teen Top | Special MC: Ilhoon |
| 92 | 92 | April 24 | RaNia | |
| 93 | 93 | May 1 | INFINITE | |
| 94 | 94 | May 8 | INFINITE | |
| 95 | 95 | May 15 | Secret | |
| 96 | 96 | May 22 | 15& | |
| 97 | 97 | May 29 | B1A4 | |
| 98 | 98 | June 5 | BtoB | |
| 99 | 99 | June 12 | 100% | |
| 100 | 100 | June 19 | Rainbow, Secret, 4Minute | 100th Episode Special |
| 101 | 101 | June 26 | Rainbow, Secret, 4Minute | |
| 102 | 102 | July 3 | MBLAQ | |
| 103 | 103 | July 10 | Exo | |
| 104 | 104 | July 17 | Apink | |
| 105 | 105 | July 24 | Girl's Day | Weekly Idol 2nd Anniversary |
| 106 | 106 | July 31 | Jewelry | |
| 107 | 107 | August 7 | INFINITE | Summer Special 1 |
| 108 | 108 | August 14 | Exo | Summer Special 2 |
| 109 | 109 | August 21 | Beast | Summer Special 3 |
| 110 | 110 | August 28 | Beast | Summer Special 3 |
| 111 | 111 | September 4 | B.A.P | Summer Special 4 |
| 112 | 112 | September 11 | Tasty | Special Appearance: Defconn Special MC: Bomi |
| 113 | 113 | September 18 | BtoB | Chuseok Special |
| 114 | 114 | September 25 | A-JAX, 2EYES | |
| 115 | 115 | October 2 | Teen Top | |
| 116 | 116 | October 9 | Henry | Special Appearance: Kyuhyun |
| 117 | 117 | October 16 | Ladies' Code | |
| 118 | 118 | October 23 | Block B | |
| 119 | 119 | October 30 | Spica | |
| 120 | 120 | November 6 | IU | |
| 121 | 121 | November 13 | IU | |
| 122 | 122 | November 20 | K.Will | |
| 123 | 123 | November 27 | Park Ji-yoon, Lim Kim | |
| 124 | 124 | December 4 | G-Dragon | |
| 125 | 125 | December 11 | G-Dragon | |
| 126 | 126 | December 18 | Shin Bora | |
| 127 | 127 | December 25 | Bomi, Ilhoon, P.O. | 3rd Weekly Idol Awards |
2014
| No. in overall | No. in season | Air Date | Featured guests | Notes |
| 128 | 128 | January 1 | Kim Hee-chul | |
| 129 | 129 | January 8 | Yong Jun-hyung | |
| 130 | 130 | January 15 | Secret | |
| 131 | 131 | January 22 | AOA | |
| 132 | 132 | January 29 | Rainbow Blaxx | |
| 133 | 133 | February 5 | History | |
| 134 | 134 | February 12 | Girl's Day | |
| 135 | 135 | February 19 | B1A4 | |
| 136 | 136 | February 26 | BtoB | |
| 137 | 137 | March 5 | B.A.P | |
| 138 | 138 | March 12 | Gain | |
| 139 | 139 | March 19 | CNBLUE | |
| 140 | 140 | March 26 | CNBLUE | |
| 141 | 141 | April 2 | 4Minute | |
| 142 | 142 | April 9 | Apink | |
| 143 | 143 | April 16 | Crayon Pop | |
| 144 | 144 | April 30 | BTS | |
| 145 | 145 | May 7 | Bestie, 100% | |
| 146 | 146 | May 14 | Got7 | |
| 147 | 147 | May 21 | G.NA | Special Appearance: Ilhoon |
| 148 | 148 | May 28 | Jun Hyoseong | |
| 149 | 149 | June 4 | Jiyeon | |
| 150 | 150 | June 11 | Wheesung | |
| 151 | 151 | June 18 | Beast | |
| 152 | 152 | June 25 | INFINITE | INFINITE's 10th Appearance Special |
| 153 | 153 | July 2 | INFINITE | |
| 154 | 154 | July 9 | AOA | |
| 155 | 155 | July 16 | Jung Joon-young | |
| 156 | 156 | July 23 | Got7, Apink, BtoB, Rainbow, Beast | Weekly Idol 3rd Anniversary |
| 157 | 157 | July 30 | 4Minute, Hyomin, Nine Muses, Boyfriend, FT Island, CNBLUE, AOA | Weekly Idol 3rd Anniversary |
| 158 | 158 | August 6 | HyunA | |
| 159 | 159 | August 13 | B1A4 | |
| 160 | 160 | August 20 | Big Byung, N, Hyuk, Jackson ) | |
| 161 | 161 | August 27 | Tiny-G | |
| 162 | 162 | September 3 | Kara | |
| 163 | 163 | September 10 | Kara | |
| 164 | 164 | September 17 | NU'EST, Fiestar | |
| 165 | 165 | September 24 | T-ara | |
| 166 | 166 | October 1 | Kim Jong-min | |
| 167 | 167 | October 8 | Teen Top | |
| 168 | 168 | October 15 | Red Velvet | |
| 169 | 169 | October 22 | Winner | |
| 170 | 170 | October 29 | VIXX | |
| 171 | 171 | November 5 | Orange Caramel | |
| 172 | 172 | November 12 | Song Jieun | Special Appearance: Jung Hana |
| 173 | 173 | November 19 | AOA | |
| 174 | 174 | November 26 | Boyfriend | |
| 175 | 175 | December 3 | Apink | |
| 176 | 176 | December 10 | Kim Ian, Changjo | Special Appearance: Sweden Laundry |
| 177 | 177 | December 17 | Got7 | |
| 178 | 178 | December 24 | EXID | |
| 179 | 179 | December 31 | Big Byung, N, Hyuk, Jackson ) | 4th Weekly Idol Awards Special MC: Bomi, Ilhoon |
2015
| No. in overall | No. in season | Air Date | Featured guests | Notes |
| 180 | 180 | January 7 | Hong Jin-young | |
| 181 | 181 | January 14 | Boys Republic | |
| 182 | 182 | January 21 | Junggigo, Mad Clown, Jooyoung | |
| 183 | 183 | January 28 | Lizzy | Special Appearance: Eunkwang |
| 184 | 184 | February 4 | Nine Muses | |
| 185 | 185 | February 11 | 4Minute | |
| 186 | 186 | February 18 | Jung Yong-hwa | |
| 187 | 187 | February 25 | Big Byung, Hyuk, Jackson ), Chamsonyeo, Youngji ) | N and Lizzy are absent |
| 188 | 188 | March 4 | Niel | Special Appearance: Teen Top |
| 189 | 189 | March 11 | Rainbow | |
| 190 | 190 | March 18 | Lovelyz | |
| 191 | 191 | March 25 | Boyfriend | |
| 192 | 192 | April 1 | Apink | Weekly Idol in Saipan Special in honor of MBC Media Plus 14th Anniversary |
| 193 | 193 | April 8 | Apink | Weekly Idol in Saipan Special in honor of MBC Media Plus 14th Anniversary |
| 194 | 194 | April 15 | Berry Good, GFriend | |
| 195 | 195 | April 22 | K.Will | |
| 196 | 196 | April 29 | FT Island | |
| 197 | 197 | May 6 | EXID | |
| 198 | 198 | May 13 | CLC | |
| 199 | 199 | May 20 | Kim Sung-kyu | |
| 200 | 200 | May 27 | Secret, AOA, Sistar, Sonamoo, Monsta X, N.Flying | 200th Episode Special |
| 201 | 201 | June 3 | Secret, AOA, Sistar, Sonamoo, Monsta X, N.Flying | 200th Episode Special |
| 202 | 202 | June 10 | Kara | |
| 203 | 203 | June 17 | UNIQ, BTS | |
| 204 | 204 | June 24 | AOA | |
| 205 | 205 | July 1 | Teen Top | |
| 206 | 206 | July 8 | BtoB | |
| 207 | 207 | July 15 | INFINITE | Summer Special 1 |
| 208 | 208 | July 22 | Apink | Summer Special 2 |
| 209 | 209 | July 29 | Beast | Summer Special 3 |
| 210 | 210 | August 5 | Girl's Day | Summer Special 4 |
| 211 | 211 | August 12 | Wonder Girls | Summer Special 5 |
| 212 | 212 | August 19 | Girls' Generation | Summer Special 6 |
| 213 | 213 | August 26 | Girls' Generation | Summer Special 6 |
| 214 | 214 | September 2 | Mamamoo | |
| 215 | 215 | September 9 | April | Rookie Special 1 Special Appearance: Rainbow |
| 216 | 216 | September 16 | Monsta X | Rookie Special 2 |
| 217 | 217 | September 23 | Red Velvet | Rookie Special 3 |
| 218 | 218 | September 30 | CNBLUE | |
| 219 | 219 | October 7 | Lovelyz | |
| 220 | 220 | October 14 | Got7 | |
| 221 | 221 | October 21 | GFriend | |
| 222 | 222 | October 28 | Seventeen | |
| 223 | 223 | November 4 | Oh My Girl | |
| 224 | 224 | November 11 | Brown Eyed Girls | |
| 225 | 225 | November 18 | N.Flying | |
| 226 | 226 | November 25 | EXID | |
| 227 | 227 | December 2 | VIXX | Special MC: Sungkyu |
| 228 | 228 | December 9 | Twice | Special MC: Sungkyu |
| 229 | 229 | December 16 | BTS | Special MC: Kim Heechul |
| 230 | 230 | December 23 | Lovelyz, GFriend, Twice | Christmas Special Special MC: Kim Heechul |
| 231 | 231 | December 30 | Oh Ha-young, N, Mina | 5th Weekly Idol Awards Special MC: Yoon Bo-mi |
2016
| No. in overall | No. in season | Air Date | Featured guests | Notes |
| 232 | 232 | January 6 | Lovelyz | Special MC: Sunny |
| 233 | 233 | January 13 | UP10TION | Special MC: Sunny |
| 234 | 234 | January 20 | Dal Shabet | Special MC: Leeteuk |
| 235 | 235 | January 27 | Tahiti, The Legend | Special MC: Leeteuk |
| 236 | 236 | February 3 | GFriend | Lunar New Year Special Special MC: Jung Yong-hwa |
| 237 | 237 | February 10 | Shin Hye-sung | Special MC: Andy |
| 238 | 238 | February 17 | Noel | Special MC: Jung Yong-hwa |
| 239 | 239 | February 24 | AOA Cream | Special MC: Yoon Doo-joon |
| 240 | 240 | March 2 | Mamamoo | Special MC: Yoon Doo-joon |
| 241 | 241 | March 9 | Fiestar | Special MC: K.Will |
| 242 | 242 | March 16 | Red Velvet | Special MC: K.Will |
| 243 | 243 | March 23 | Cosmic Girls | Special MC: Yoon Bo-mi |
| 244 | 244 | March 30 | Block B | Special MC: Yoon Bo-mi |
| 245 | 245 | April 6 | Junhyung, Bora, Solji, Jackson | First episode with Heechul and Hani as temporary MCs |
| 246 | 246 | April 13 | Laboum | Jackson, Dahyun, and Jooheon as "Idols Are the Best" corner MCs |
| 247 | 247 | April 20 | J.Y. Park | Special Appearance: Jackson |
| 248 | 248 | April 27 | J.Y. Park | Special Appearance: Jackson |
| 249 | 249 | May 4 | Twice | Jackson, Dahyun, Jooheon, and SinB as "Idols Are the Best" corner MCs |
| 250 | 250 | May 11 | Lovelyz | Jackson, Jooheon, and SinB as "Idols Are the Best" corner MCs |
| 251 | 251 | May 18 | AOA | |
| 252 | 252 | May 25 | Lee Hi | Jackson, Dahyun, Jooheon, and SinB as "Idols Are the Best" corner MCs |
| 253 | 253 | June 1 | AKMU | |
| 254 | 254 | June 8 | EXID | Jackson, Dahyun, Jooheon, and SinB as "Idols Are the Best" corner MCs |
| 255 | 255 | June 15 | DIA | Jackson, Dahyun, Jooheon, and SinB as "Idols Are the Best" corner MCs |
| 256 | 256 | June 22 | 4TEN, ASTRO, KNK | Super Rookies Special 1 |
| 257 | 257 | June 29 | Beast | |
| 258 | 258 | July 6 | Beast | Jackson, Dahyun, Jooheon, and SinB as "Idols Are the Best" corner MCs |
| 259 | 259 | July 13 | GFriend, Gugudan | Hani is absent |
| 260 | 260 | July 20 | Sungkyu, Yoon Bo-mi, Ilhoon, Jackson | Weekly Idol 5th Anniversary BamBam is absent and Jackson is absent in episode 262 |
| 261 | 261 | July 27 | BtoB, Got7, GFriend, Twice | Weekly Idol 5th Anniversary BamBam is absent and Jackson is absent in episode 262 |
| 262 | 262 | August 3 | BtoB, Got7, GFriend, Twice | Weekly Idol 5th Anniversary BamBam is absent and Jackson is absent in episode 262 |
| 263 | 263 | August 10 | Oh My Girl, Got7 | Got7's penalty dance |
| 264 | 264 | August 17 | Jackson, Dahyun, Jooheon, SinB | "Idols Are the Best" Special |
| 265 | 265 | August 24 | NCT 127 | Jackson, Dahyun, Jooheon, and SinB as "Idols Are the Best" corner MCs |
| 266 | 266 | August 31 | I.O.I | |
| 267 | 267 | September 7 | Red Velvet | Jackson, Dahyun, Jooheon, and SinB as "Idols Are the Best" corner MCs |
| 268 | 268 | September 14 | — | Chuseok Special |
| 269 | 269 | September 21 | INFINITE | |
| 270 | 270 | September 28 | Got7 | Heechul and Hani's last episode as MCs |
| 271 | 271 | October 5 | Apink | Jeong Hyeong-don's return as MC |
| 272 | 272 | October 12 | SHINee | |
| 273 | 273 | October 19 | Dal Shabet, DIA | |
| 274 | 274 | October 26 | Twice | |
| 275 | 275 | November 2 | — | Unrevealed Clips Special |
| 276 | 276 | November 9 | BtoB | Jackson, Dahyun, and Jooheon as "Idols Are the Best" corner MCs |
| 277 | 277 | November 16 | Blackpink | |
| 278 | 278 | November 23 | Kyuhyun | Jackson, Dahyun, Jooheon, and Minhyuk as "Idols Are the Best" corner MCs |
| 279 | 279 | November 30 | Astro | Jooheon, Minhyuk, and Shownu as "Idols Are the Best" corner MCs, Dahyun and SinB |
| 280 | 280 | December 7 | Sechs Kies | |
| 281 | 281 | December 14 | Sechs Kies | |
| 282 | 282 | December 21 | Lee Jin-ah, Jung Seung-hwan, Kwon Jin-ah, Sam Kim | Christmas Special Special Appearance: You Hee-yeol |
| 283 | 283 | December 28 | Jackson, Jooheon, Junhyung | 6th Weekly Idol Awards Special MC: Dahyun, SinB |
2017
| No. in overall | No. in season | Air Date | Featured guests | Notes |
| 284 | 284 | January 4 | BIGBANG | |
| 285 | 285 | January 11 | BIGBANG | |
| 286 | 286 | January 18 | Shinhwa | |
| 287 | 287 | January 25 | Shinhwa | |
| 288 | 288 | February 1 | Pentagon, Victon, Momoland | Super Rookies Special 2 |
| 289 | 289 | February 8 | NCT 127 | With BIGBANG extras |
| 290 | 290 | February 15 | Bolbbalgan4 | |
| 291 | 291 | February 22 | Cosmic Girls | Masked Idol: Shownu, Seungjun, MJ, Dawon WINNER: MJ |
| 292 | 292 | March 1 | Lovelyz | Masked Idol: Shownu, Seungjun, Dawon, Seungwoo WINNER: Shownu |
| 293 | 293 | March 8 | GFriend | |
| 294 | 294 | March 15 | GOT7 | |
| 295 | 295 | March 22 | Highlight | |
| 296 | 296 | March 29 | Highlight | Special Appearance: KNK |
| 297 | 297 | April 5 | Monsta X | Masked Idol: Seungjun, Dawon, Seungwoo, Hongseok WINNER: Seungjun |
| 298 | 298 | April 12 | Oh My Girl | Masked Idol: Dawon, Seungwoo, Kuhn WINNER: Seungwoo |
| 299 | 299 | April 19 | EXID | Masked Idol: Dawon, Kuhn, Dayoung WINNER: Kuhn |
| 300 | 300 | April 26 | Hyungdon and Daejun | 300th Episode Special Special MC: Heechul, SinB, Hani, Ilhoon |
| 301 | 301 | May 3 | Winner | |
| 302 | 302 | May 10 | Cross Gene, SF9 | Super Rookies Special 3 |
| 303 | 303 | May 17 | Twice | |
| 304 | 304 | May 24 | Twice | |
| 305 | 305 | May 31 | Triple H | Masked Idol: Dawon, Hongseok, Dayoung, Sungjin WINNER: Sungjin |
| 306 | 306 | June 7 | iKon | |
| 307 | 307 | June 14 | Astro | Masked Idol: Dawon, Hongseok, Dayoung, Shin WINNER: Shin |
| 308 | 308 | June 21 | Seventeen | |
| 309 | 309 | June 28 | Apink | |
| 310 | 310 | July 5 | Blackpink | Masked Idol: Dawon, Hongseok, Dayoung, Chaekyung WINNER: Hongseok |
| 311 | 311 | July 12 | Yoon Jong-shin, Kim Young-chul, Parc Jae-jung, Min-seo, Yoo Yong-min | Mystic Entertainment Special |
| 312 | 312 | July 19 | B.I.G, MAP6, Matilda | Super Rookies Special 4 |
| 313 | 313 | July 26 | MAMAMOO, GFriend | Summer Vacation Special 1 |
| 314 | 314 | August 2 | Turbo | Summer Vacation Special 2 |
| 315 | 315 | August 9 | Wanna One | Summer Vacation Special 3 |
| 316 | 316 | August 16 | Wanna One | Summer Vacation Special 3 |
| 317 | 317 | August 23 | Sunmi, Kim Chung-ha | Female Solos Special |
| 318 | 318 | August 30 | Raina, Han Dong-geun, NU'EST W, Pristin | Pledis Family Special |
| 319 | 319 | September 6 | Raina, Han Dong-geun, NU'EST W, Pristin | Pledis Family Special |
| 320 | 320 | September 13 | Weki Meki, Golden Child | Rookies Special Special Appearance: GFriend |
| 321 | 321 | September 20 | Dawon, Dayoung, Chaekyung, Seungjun, Sungjin, Shin | Masked Idol Season 1 Finale Special Special Appearance: GFriend |
| 322 | 322 | September 27 | B1A4 | Special Appearance: GFriend |
| 323 | 323 | October 4 | Highlight, Victon, Oh My Girl, GOT7 | MBC Every1 10th Anniversary Special Part 1 |
| 324 | 324 | October 11 | GOT7, Sunmi, EXID, Apink | MBC Every1 10th Anniversary Special Part 2 |
| 325 | 325 | October 18 | Apink, Infinite, Highlight, K.Will | MBC Every1 10th Anniversary Special Part 3 |
| 326 | 326 | October 25 | Samuel, Jeong Se-woon, MXM, JBJ | Produce 101 Season 2 Reunion Special |
| 327 | 327 | November 1 | Twice | |
| 328 | 328 | November 8 | Super Junior | |
| 329 | 329 | November 15 | Super Junior | |
| 330 | 330 | November 22 | Block B | |
| 331 | 331 | November 29 | Red Velvet | |
| 332 | 332 | December 6 | Rain | |
| 333 | 333 | December 13 | Uhm Jung-hwa | |
| 334 | 334 | December 20 | EXID | Christmas Special Special voice appearance by Solji through phone |
| 335 | 335 | December 27 | Shin Hye-sung, Super Junior, iKON, Wanna One | 7th Weekly Idol Awards |
https://en.wikipedia.org/wiki/MJ_
2020
| No. in overall | No. in season | Air Date | Featured guests | Notes |
| 440 | 52 | January 1 | Oh My Girl, Stray Kids | JoGakNam Doljanchi Special |
| 441 | 53 | January 8 | B.O.Y, Kim Dong-han, Roh Tae-hyun | 2020 JAJA |
| 442 | 54 | Verivery | ||
| 443 | 55 | January 22 | Lunar New Year Highlights Special: Idols who shined in 2019 Weekly Idol | |
| 444 | 56 | January 29 | Super Junior | |
| 445 | 57 | February 5 | Super Junior | |
| 446 | 58 | Cho Hang-jo, Kim Yong-im, Kum Jan-di, Park Ku-yoon, Park Hye-shin, Jo Jung-min, Park Seo-jin | Jo Se-ho and Nam Chang-hee's last episode as hosts I'm A Trot Singer Special | |
| 447 | 59 | February 19 | GFriend | Special MC: Eunhyuk |
| 448 | 60 | February 26 | Everglow | Special MC: Lee Yi-kyung |
| 449 | 61 | March 4 | Loona | Loona member Haseul is absent Special MC: Oh My Girl |
| 450 | 62 | March 11 | Itzy | Special MC: Hong Hyun-hee |
| 451 | 63 | March 18 | Astro, Kangmin | Show Champion MC Special Special MC: Shin Bong-sun Part of March 11's episode continued in this episode |
| 452 | 64 | March 25 | NCT 127 | Special MC: Park Ji-sun, Parc Jae-jung |
| 453 | 65 | April 1 | NCT 127 | Special MC: Park Ji-sun, Parc Jae-jung |
| 454 | 66 | April 8 | Oneus | Special MC: Monsta X |
| 455 | 67 | April 15 | Cravity | Special MC: Heo Kyung-hwan |
| 456 | 68 | April 22 | Got7 | First episode with Eunhyuk as main MC |
| 457 | 69 | April 29 | Oh My Girl | |
| 458 | 70 | May 6 | (G)I-DLE | |
| 459 | 71 | May 13 | Monsta X | |
| 460 | 72 | May 20 | NCT Dream | |
| 461 | 73 | May 27 | TXT | |
| 462 | 74 | June 3 | NCT 127 | |
| 463 | 75 | June 10 | BtoB | |
| 464 | 76 | June 17 | Super Junior-K.R.Y. | |
| 465 | 77 | June 24 | Golden Child | Part of June 17's episode continued in this episode |
| 466 | 78 | July 1 | AB6IX | |
| 467 | 79 | July 8 | Koyote, Verivery | |
| 468 | 80 | July 15 | GFriend | |
| 469 | 81 | July 22 | Red Velvet - Irene & Seulgi | |
| 470 | 82 | July 29 | April | |
| 471 | 83 | August 5 | ONF | |
| 472 | 84 | August 12 | Ateez | |
| 473 | 85 | August 19 | Itzy | |
| 474 | 86 | August 26 | CLC, Cravity | |
| 475 | 87 | September 2 | Super Junior-D&E | Special MC: Leeteuk |
| 476 | 88 | September 9 | Lovelyz | |
| 477 | 89 | Stray Kids | ||
| 478 | 90 | September 23 | The Boyz, Super Five | Special MC : NCT |
| 479 | 91 | September 30 | Treasure | |
| 480 | 92 | October 7 | Chuseok Special Highlights Broadcast: 2020 Corner King | |
| 481 | 93 | October 14 | WEi | |
| 482 | 94 | October 21 | WJSN Chocome, Cignature | |
| 483 | 95 | October 28 | TXT | |
| 484 | 96 | November 4 | Monsta X | |
| 485 | 97 | November 11 | GFriend | |
| 486 | 98 | November 18 | BAE173 | |
| 487 | 99 | November 25 | BtoB 4U | |
| 488 | 100 | December 2 | Got7 | |
| 489 | 101 | December 9 | Super Junior | |
| 490 | 102 | December 16 | Super Junior | |
| 491 | 103 | December 23 | Enhypen | |
| 492 | 104 | December 30 | Woo!ah!, Lunarsolar |