The #1 on M Countdown on 2017-07-27 was “Ko Ko Bop” by Exo — win No. 3 for the song and career win No. 41 for Exo (No. 9 on this show). It also won The Show, Show Champion, Music Bank, Inkigayo the same week (5 crowns).
“Ko Ko Bop” has 6 music show wins in total: 2017-07-25 The Show, 2017-07-26 Show Champion, 2017-07-27 M Countdown, 2017-07-28 Music Bank, 2017-07-30 Inkigayo, 2017-08-05 Show! Music Core. Exo had 3 wins in 2017 up to this date, and this was win No. 9 on M Countdown. The previous week's M Countdown #1 was “Red Flavor” by Red Velvet. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2017-07-25 | The Show | Ko Ko BopExo | ★ #1 |
| 2017-07-26 | Show Champion | Ko Ko BopExo | ★ #1 |
| 2017-07-27 | M Countdown | Ko Ko BopExo | ★ #1 |
| 2017-07-28 | Music Bank | Ko Ko BopExo | ★ #1 |
| 2017-07-30 | Inkigayo | Ko Ko BopExo | ★ #1 |