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

On this episode, IOI made a comeback with "Very Very Very", 4men's Shin Yong Jae returned with "Lean On", Big Brain made their comeback with "Sick", Bulldok debuted with "Why Not", and OhBliss made their debut with "BUNNYBUNNY". 

As for the winners, BTS and Davichi were nominated for 1st place, but it was BTS who took the win with "Blood, Sweat & Tears"! Congratulations to BTS!

Other performers of the night were 100%, A Pink, B1A4's Sandeul, Davichi, SHINee, Se7en, BTS, Ladies' Code, GOT7, HIGH4:20, MONSTA X, Pentagon, and SF9.

Check out the performances below!

SEE ALSO: SHINee win #1 + Performances from October 13th 'M! Countdown'!

WINNER:

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COMEBACK: IOI 

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COMEBACK: 4men's Shin Yong Jae

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COMEBACK: Big Brain 

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DEBUT: OhBliss

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DEBUT: Bulldok 

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100%

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A Pink

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B1A4's Sandeul

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Davichi

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SHINee

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Se7en

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BTS

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Ladies' Code

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GOT7

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HIGH4:20

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MONSTA X

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Pentagon

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SF9

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Man's Avenue