TWICE got their triple crown with "Knock Knock".
'Inkigayo' did not air on the 19th because of a boxing championship live broadcast. Instead, they announced the winner of the third week of March. G-Friend was at #2, Taeyeon was at #3, and BTOB was at #4.
This is their third win on 'Inkigayo' with "Knock Knock", giving them the triple crown, and their 9th trophy overall with the song.
Congratulations to TWICE.