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

On this episode, Red Velvet returned with "Dumb Dumb", MONSTA X came back with "Rush", Big Star made a comeback with "Moonlight Sonata", Seventeen returned with "Mansae", UP10TION debuted with "So Dangerous", Shinhwa's Junjin came back with "Wow Wow Wow", LPG came back with "Slow", and 2PM's Junho made his solo debut with "Fire".

As for the winners, Girls' Generation and HyunA were the nominees, but it was Girls' Generation who took the final win with "Lion Heart"! Congratulations to Girls' Generation!

Other performers of the night were: Nop.K, DinDin, Miwoo, Ben, BEAT WIN, SONAMOO, April, Unicorn, The Legend, 2EYES, and HyunA.

SEE ALSO: Girls' Generation win #1 + Performances from September 3rd 'M! Countdown'!

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DEBUT: UP10TION

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SOLO DEBUT: Junho

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COMEBACK: Red Velvet

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COMEBACK: MONSTA X

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COMEBACK: Big Star
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COMEBACK: LPG

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COMEBACK: Seventeen

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COMEBACK: Junjin

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Nop.K

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DinDin

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Miwoo

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Ben

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BEAT WIN

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SONAMOO

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April

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Unicorn

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The Legend

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2EYES

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HyunA

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