Mnet's 'M! Countdown' is back for its weekly show featuring performances by your favorite artists!

On this week's episode, fromis_9 came back with "Supersonic", SHINee's Taemin returned with "Sexy in the Air", NMIXX made a comeback with "See That?", SF9 came back with "Don't Worry, Be Happy", Hyolyn returned with "Wait", and MAMAMOO's Moon Byul made a comeback with "Is This Love?".

As for the winners, fromis_9 and NCT's Jaehyun were the nominees, but it was fromis_9 who took the win with "Supersonic". Congratulations to fromis_9!

Other performers included KARD, DRIPPIN, LIGHTSUM, ARrC, YOUNG POSSE, MCND, Catch the Young, BOY STORY, LUN8, and ILY:1.

Watch the performances below!

WINNER:

===

COMEBACK: fromis_9

==

COMEBACK: Taemin

==

COMEBACK: NMIXX

==

COMEBACK: SF9

==

COMEBACK: Hyolyn

==

COMEBACK: Moon Byul

===

KARD

==

DRIPPIN

==

LIGHTSUM

==

ARrC

==

YOUNG POSSE

==

MCND

==

Catch the Young

==

BOY STORY

==

LUN8

==

ILY:1

===

SEE ALSO: Executives reveal how the negotiations broke down with Zeus leaving T1