The #1 on M Countdown on 2020-12-17 was “Panorama” by Iz*One — win No. 2 for the song and career win No. 17 for Iz*One (No. 5 on this show). It also won The Show, Music Bank, Inkigayo the same week (4 crowns).
“Panorama” has 4 music show wins in total: 2020-12-15 The Show, 2020-12-17 M Countdown, 2020-12-18 Music Bank, 2020-12-20 Inkigayo. Iz*One had 11 wins in 2020 up to this date, and this was win No. 5 on M Countdown. The previous week's M Countdown #1 was “Aya” by Mamamoo. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2020-12-15 | The Show | PanoramaIz*One | ★ #1 |
| 2020-12-17 | M Countdown | PanoramaIz*One | ★ #1 |
| 2020-12-18 | Music Bank | PanoramaIz*One | ★ #1 |
| 2020-12-20 | Inkigayo | PanoramaIz*One | ★ #1 |