The #1 on M Countdown on 2015-10-08 was “Rhythm Ta” by iKon — win No. 1 for the song and career win No. 3 for iKon (No. 1 on this show).
“Rhythm Ta” has 1 music show wins in total: 2015-10-08 M Countdown. iKon had 3 wins in 2015 up to this date, and this was the artist's first win on M Countdown. The previous week's M Countdown #1 was “Lean On Me” by Soyou & Kwon Jeong Yeol. The other shows that week went to The Show: “If You Do” by Got7; Show Champion: “Mind Your Own Business” by Ailee; Music Bank: “Love Again” by Im Chang-jung; Inkigayo: “Love Again” by Im Chang-jung. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2015-10-06 | The Show | If You DoGot7 | ★ #1 |
| 2015-10-07 | Show Champion | Mind Your Own BusinessAilee | ★ #1 |
| 2015-10-08 | M Countdown | Rhythm TaiKon | ★ #1 |
| 2015-10-09 | Music Bank | Love AgainIm Chang-jung | ★ #1 |
| 2015-10-11 | Inkigayo | Love AgainIm Chang-jung | ★ #1 |