The #1 on M Countdown on 2018-03-29 was “Boomerang” by Wanna One — win No. 1 for the song and career win No. 13 for Wanna One (No. 3 on this show). It also won Music Bank, Show! Music Core the same week (3 crowns).
“Boomerang” has 4 music show wins in total: 2018-03-29 M Countdown, 2018-03-30 Music Bank, 2018-03-31 Show! Music Core, 2018-04-03 The Show. Wanna One had 3 wins in 2018 up to this date, and this was win No. 3 on M Countdown. The previous week's M Countdown #1 was “Starry Night” by Mamamoo. The other shows that week went to The Show: “Touch” by NCT 127. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2018-03-27 | The Show | TouchNCT 127 | ★ #1 |
| 2018-03-29 | M Countdown | BoomerangWanna One | ★ #1 |
| 2018-03-30 | Music Bank | BoomerangWanna One | ★ #1 |
| 2018-03-31 | Show! Music Core | BoomerangWanna One | ★ #1 |