The #1 on Inkigayo on 2018-01-21 was “Tell Me” by Infinite — win No. 5 for the song and career win No. 26 for Infinite (No. 3 on this show). It also won Show Champion, M Countdown, Music Bank, Show! Music Core the same week (5 crowns).
“Tell Me” has 5 music show wins in total: 2018-01-17 Show Champion, 2018-01-18 M Countdown, 2018-01-19 Music Bank, 2018-01-20 Show! Music Core, 2018-01-21 Inkigayo. Infinite had 5 wins in 2018 up to this date, and this was win No. 3 on Inkigayo. The previous week's Inkigayo #1 was “Peek-a-Boo” by Red Velvet. Episode data comes from broadcasters' published results (Wikipedia lists, CC BY-SA) and is recounted daily.
| Date | Show | Song · Artist | |
|---|---|---|---|
| 2018-01-17 | Show Champion | Tell MeInfinite | ★ #1 |
| 2018-01-18 | M Countdown | Tell MeInfinite | ★ #1 |
| 2018-01-19 | Music Bank | Tell MeInfinite | ★ #1 |
| 2018-01-20 | Show! Music Core | Tell MeInfinite | ★ #1 |
| 2018-01-21 | Inkigayo | Tell MeInfinite | ★ #1 |