The #1 on M Countdown on 2026-03-26 was “Swim” by BTS — win No. 2 for the song and career win No. 78 for BTS (No. 11 on this show). It also won Show Champion, Music Bank, Inkigayo the same week (4 crowns).
“Swim” has 5 music show wins in total: 2026-03-25 Show Champion, 2026-03-26 M Countdown, 2026-03-27 Music Bank, 2026-03-29 Inkigayo, 2026-04-04 Show! Music Core. BTS had 2 wins in 2026 up to this date, and this was win No. 11 on M Countdown. The previous week's M Countdown #1 was “Rude!” by Hearts2Hearts. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2026-03-25 | Show Champion | SwimBTS | ★ #1 |
| 2026-03-26 | M Countdown | SwimBTS | ★ #1 |
| 2026-03-27 | Music Bank | SwimBTS | ★ #1 |
| 2026-03-29 | Inkigayo | SwimBTS | ★ #1 |