The #1 on M Countdown on 2017-03-16 was “Knock Knock” by Twice — win No. 6 for the song and career win No. 18 for Twice (No. 5 on this show). It also won Music Bank the same week (2 crowns).
“Knock Knock” has 7 music show wins in total: 2017-03-01 Show Champion, 2017-03-02 M Countdown, 2017-03-03 Music Bank, 2017-03-05 Inkigayo, 2017-03-07 The Show, 2017-03-16 M Countdown, 2017-03-17 Music Bank. Twice had 7 wins in 2017 up to this date, and this was win No. 5 on M Countdown. The previous week's M Countdown #1 was “Fine” by Taeyeon. The other shows that week went to The Show: “Fingertip” by GFriend; Show Champion: “Movie” by BtoB. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2017-03-14 | The Show | FingertipGFriend | ★ #1 |
| 2017-03-15 | Show Champion | MovieBtoB | ★ #1 |
| 2017-03-16 | M Countdown | Knock KnockTwice | ★ #1 |
| 2017-03-17 | Music Bank | Knock KnockTwice | ★ #1 |