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

On this week's episode, Billlie made their debut with "RING X RING", ONEUS made a comeback with "Luna", ICHILLIN' came back with "Fresh", DreamNote returned with "Ghost", and Song Ha Yea made a comeback with "How Can We Become Friends Who We Loved".

As for the winners, The Boyz and NCT 127 were the nominees, but it was NCT 127 who took the win with "Favorite (Vampire)". Congratulations to NCT 127!

Other performers included The Boyz, Jeon So Mi, LABOUM, SECRET NUMBER, TO1, Just B, bugAboo, BLITZERS, Cho Hye Sun, DKB, EPEX, and LIGHTSUM. 

Watch the performances below!

WINNER:

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DEBUT: Billlie

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COMEBACK: ONEUS

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COMEBACK: ICHILLIN'

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COMEBACK: DreamNote

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COMEBACK: Song Ha Yea

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The Boyz

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Jeon So Mi

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LABOUM

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SECRET NUMBER

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TO1

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Just B

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bugAboo

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BLITZERS

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Cho Hye Sun

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DKB

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EPEX

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LIGHTSUM

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