The #1 on M Countdown on 2020-02-27 was “Fiesta” by Iz*One — win No. 3 for the song and career win No. 9 for Iz*One (No. 3 on this show). It also won The Show, Show Champion the same week (3 crowns).
“Fiesta” has 3 music show wins in total: 2020-02-25 The Show, 2020-02-26 Show Champion, 2020-02-27 M Countdown. Iz*One had 3 wins in 2020 up to this date, and this was win No. 3 on M Countdown. The previous week's M Countdown #1 was “Crossroads” by GFriend. The other shows that week went to Music Bank: “On” by BTS; Show! Music Core: “On” by BTS; Inkigayo: “On” by BTS. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2020-02-25 | The Show | FiestaIz*One | ★ #1 |
| 2020-02-26 | Show Champion | FiestaIz*One | ★ #1 |
| 2020-02-27 | M Countdown | FiestaIz*One | ★ #1 |
| 2020-02-28 | Music Bank | OnBTS | ★ #1 |
| 2020-02-29 | Show! Music Core | OnBTS | ★ #1 |
| 2020-03-01 | Inkigayo | OnBTS | ★ #1 |