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

On this week's episode, VIVIZ debuted with "BOP BOP!", Song Soowoo debuted with "Love Me or Hate Me", Ravi returned with "WINNER", Big Mama came back with "Like Nothing Happened", Park Hyeon Seo made a comeback with "Shoulder", YJP came back with "WE Heung", Kim Jang Hoon returned with "Ice on Fire", and Bz-Boys came back with "Find You".

As for the winners, fromis_9 and Yena were the nominees, but it was Yena who took the win with "Smiley". Congratulations to Yena!

Other performers included Kim Min Seok, Yena, Pentagon, OnlyOneOf, MIRAE, Nature, and Luminous.

Watch the performances below!

WINNER:

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DEBUT: VIVIZ

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DEBUT: Song Soowoo

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COMEBACK: Ravi

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COMEBACK: Big Mama

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COMEBACK: Park Hyeon Seo

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COMEBACK: YJP

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COMEBACK: Kim Jang Hoon

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COMEBACK: Bz-Boys

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Kim Min Seok

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Yena

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Pentagon

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OnlyOneOf

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MIRAE

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Nature

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Luminous

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