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

This week, Mnet aired an 'After School Special' due to legislative elections in South Korea. As for the winners, (G)I-DLE took the #1 trophy with their track "Oh My God". Congratulations to (G)I-DLE!

On today's episode, CRAVITY made their debut with "Break All the Rules".

The lineup for tonight's episode included BTS, 2NE1, Seventeen, miss A, EXO-K, GFriend, Pentagon, IZ*ONE, DAY6, Dynamic Duo, Honne, Stray Kids' 3RACHA, Hyukoh, Toheart, TaeTiSeo, Oh My Girl's Banhana, and Hi Suhyun. 

Check out the special 'After School Special' performances below!

DEBUT: CRAVITY

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BTS

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2NE1

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Seventeen

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miss A

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EXO-K

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GFriend

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Pentagon

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IZ*ONE

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DAY6

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Dynamic Duo

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Honne

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Stray Kids' 3RACHA

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Hyukoh

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Toheart

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TaeTiSeo

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Oh My Girl's Banhana

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Hi Suhyun

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