The #1 on M Countdown on 2015-11-05 was “4 Walls” by f(x) — win No. 1 for the song and career win No. 11 for f(x) (No. 4 on this show). It also won Music Bank the same week (2 crowns).
“4 Walls” has 4 music show wins in total: 2015-11-05 M Countdown, 2015-11-06 Music Bank, 2015-11-10 The Show, 2015-11-19 M Countdown. f(x) had 1 wins in 2015 up to this date, and this was win No. 4 on M Countdown. The previous week's M Countdown #1 was “I” by Taeyeon. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2015-11-05 | M Countdown | 4 Wallsf(x) | ★ #1 |
| 2015-11-06 | Music Bank | 4 Wallsf(x) | ★ #1 |