The #1 on M Countdown on 2021-03-18 was “Rollin'” by Brave Girls — win No. 4 for the song and career win No. 4 for Brave Girls (No. 1 on this show). It also won The Show, Show Champion, Music Bank the same week (4 crowns).
“Rollin'” has 6 music show wins in total: 2021-03-14 Inkigayo, 2021-03-16 The Show, 2021-03-17 Show Champion, 2021-03-18 M Countdown, 2021-03-19 Music Bank, 2021-05-09 Inkigayo. Brave Girls had 4 wins in 2021 up to this date, and this was the artist's first win on M Countdown. The previous week's M Countdown #1 was “Don't Call Me” by Shinee. The other shows that week went to Show! Music Core: “My Starry Love” by Lim Young-woong. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2021-03-16 | The Show | Rollin'Brave Girls | ★ #1 |
| 2021-03-17 | Show Champion | Rollin'Brave Girls | ★ #1 |
| 2021-03-18 | M Countdown | Rollin'Brave Girls | ★ #1 |
| 2021-03-19 | Music Bank | Rollin'Brave Girls | ★ #1 |
| 2021-03-20 | Show! Music Core | My Starry LoveLim Young-woong | ★ #1 |