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

On this week's episode, Hwang Woo Lim debuted with "Why Do You Call Me", Lee Chan Won debuted with "Convenience Store", and SKYLE made their debut with "Fly Up High". BTOB came back with "Outsider", fromis_9 made a comeback with "Talk & Talk", MCND came back with "Movin'", Lee Eun Sang returned with "Lemonade", Heo Young Saeng came back with "Mi Casa Su Casa", VERIVERY made their comeback with "Trigger", Youha returned with "ICE T", and Bz-Boys made a comeback with "Close Your Eyes".

As for the winners, Red Velvet and Stray Kids were the nominees, but it was Stray KIds who took the win with "Thunderous". Congratulations to Stray Kids!

Other performers included Stray Kids, Kwon Eun Bi, CIX, MIRAE, MAKAMAKA, ONF, and Kim Woo Jin.

Watch the performances below!

WINNER:

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DEBUT: Hwang Woo Lim

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DEBUT: Lee Chan Won

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DEBUT: SKYLE

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COMEBACK: BTOB

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COMEBACK: fromis_9

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COMEBACK: MCND

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COMEBACK: Lee Eun Sang

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COMEBACK: Heo Young Saeng

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COMEBACK: VERIVERY

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COMEBACK: Youha

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COMEBACK: Bz-Boys

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Stray Kids

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Kwon Eun Bi

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CIX

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MIRAE

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MAKAMAKA

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ONF

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Kim Woo Jin

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