The #1 on M Countdown on 2018-07-26 was “Oh My!” by Seventeen — win No. 2 for the song and career win No. 15 for Seventeen (No. 3 on this show). It also won Show Champion, Music Bank the same week (3 crowns).
“Oh My!” has 3 music show wins in total: 2018-07-25 Show Champion, 2018-07-26 M Countdown, 2018-07-27 Music Bank. Seventeen had 4 wins in 2018 up to this date, and this was win No. 3 on M Countdown. The previous week's M Countdown #1 was “Dance the Night Away” by Twice. The other shows that week went to The Show: “Egotistic” by Mamamoo. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2018-07-24 | The Show | EgotisticMamamoo | ★ #1 |
| 2018-07-25 | Show Champion | Oh My!Seventeen | ★ #1 |
| 2018-07-26 | M Countdown | Oh My!Seventeen | ★ #1 |
| 2018-07-27 | Music Bank | Oh My!Seventeen | ★ #1 |