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

On this week's episode, Kwon Eun Bi debuted with "Door", Jay B debuted with "B.T.W", Red Velvet returned with "Queendom", Stray Kids came back with "Thunderous", TXT made a comeback with "LO$ER=LO♡ER", CL returned with "Spicy", T1419 came back with "FLEX", MIRAE returned with "Splash", CIX came back with "WAVE", and MAKAMAKA returned with "Hey U".

As for the winners, Red Velvet and TXT were the nominees, but it was Red Velvet who took the win with "Queendom". Congratulations to Red Velvet!

Other performers included The Boyz, Jeon So Mi, ONF, and Weeekly.

Watch the performances below!

WINNER:

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DEBUT: Kwon Eun Bi

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DEBUT: Jay B

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COMEBACK: Red Velvet

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COMEBACK: Stray Kids

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COMEBACK: TXT

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COMEBACK: CL

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COMEBACK: T1419

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COMEBACK: MIRAE

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COMEBACK: CIX

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COMEBACK: MAKAMAKA

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The Boyz

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Jeon So Mi

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ONF

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Weeekly

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