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

On this week's episode, Kim Woo Jin debuted with "Ready Now", Sunmi returned with "You Can't Sit with Us", HYO came back with "Second", The Boyz made a comeback with "Thrill Ride", ONF came back with "Popping", Park Ji Hoon returned with "Gallery", Ha Sung Woon came back with "Strawberry Gum", BDC made their comeback with "Moon Walker", Jeon So Mi returned with "Dumb Dumb", ASTRO came back with "After Midnight", Golden Child made their comeback with "Ra Pam Pam", and Weeekly returned with "Holiday Party".

As for the winners, ASTRO and Jeon So Mi were the nominees, but it was Jeon So Mi who took the win with "Dumb Dumb". Congratulations to Jeon So Mi!

Other performers included TEN and Dream Catcher.

Watch the performances below!

WINNER:

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DEBUT: Kim Woo Jin

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COMEBACK: Sunmi

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COMEBACK: HYO

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COMEBACK: The Boyz

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COMEBACK: ONF

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COMEBACK: Park Ji Hoon

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COMEBACK: Ha Sung Woon

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COMEBACK: BDC

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COMEBACK: Jeon So Mi

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COMEBACK: ASTRO

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COMEBACK: Golden Child

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COMEBACK: Weeekly

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TEN

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Dream Catcher

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