MXM show off their moves in performance version of 'Knock Knock'

MXM drop 'Knock Knock (TAK Remix)' MV!

MXM say 'Knock Knock' for their 'One More' comeback single

MXM reveal more details on double title tracks 'Knock Knock (Remix)' and 'You Look So Different'

TWICE's 'Knock Knock' hits 200 million views

TWICE try the sexy versions of 'TT', 'Knock Knock', and more on 'Idol Room'

TWICE release a special version of 'Knock Knock' 'MV for 'LG Mobile'

TWICE tuck another 1 million YouTube likes under their belts

TWICE celebrate 'Knock Knock' reaching 100 million views!

TWICE go 'Knock Knock' in Switzerland in special MV!

DAY6 cover 'Knock Knock', 'So So', 'Never Ever', and other songs by JYP artists in 100 seconds

High school students dance to 'Knock Knock' in an aerobic class to fight against obesity