“Infinity Challenge” has officially announced its final artist lineup for “Saturday Saturday Is a Singer,” which will see legendary artists from the 90s hitting the stage once again, performing their old hit songs.

The artists were revealed on December 20 through the show’s official Twitter, along with photos of the artists channeling their younger selves from the 90s, decked out in 90s hair, fashion, the whole nine yards.

Check out the nostalgic photos below. The artists are S.E.S (Girls’ Generation Seohyun stepping in for Eugene), Turbo, Cool, Jinusean, Jo Sung Mo, Lee Jung Hyun, Uhm Jung Hwa, Kim Hyun Jung, Kim Gun Mo, and So Chan Hee.

“Saturday Saturday Is a Singer” is set to air on December 20 at 6:25 p.m. KST.

Turbo

Cool

Jinusean

Jo Sung Mo

Lee Jung Hyun

Uhm Jung Hwa

Kim Hyun Jung

Kim Gun Mo

So Chan Hee

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