SMTR25 is set to meet viewers through a pre-debut reality show on Mnet.
On January 23 KST, SM Entertainment’s multinational fifteen-member trainee team, SMTR25, unveiled a performance teaser featuring a cover of ‘Into The New World’, revealing the premiere date of their much-anticipated reality show, ‘Reply High School’.
“To see the future of K-culture, you have to know its past!”
A time-slip curriculum designed just for 15 boys who will lead the future of K-culture!
From the 1990s to the 2010s, each era brought back with its original vibes intact!
All WOOJEONG HIGH SCHOOL students have arrived… pic.twitter.com/pcmcPOky9u— Mnet Plus Original (@mnetplus_og) January 23, 2026
In the teaser, the trainees deliver a youthful reinterpretation of Girls’ Generation’s iconic debut track ‘Into The New World’, channeling a refreshing take inspired by early-2000s sensibilities. Performed in school uniforms against an open-field backdrop, highlighting the group’s teamwork and freshness, further generating excitement for their pre-debut journey.
SMTR25 ♬Into The New World – Girls’ Generation
15 boys dreaming of ‘The Future of K-Culture’
Bringing you ‘Into The New World’
𝐂𝐎𝐌𝐈𝐍𝐆 𝐒𝐎𝐎𝐍A time-slip growth variety show
with boys leading the future of K-culture
〈Reply High School〉2/13(Fri) 8:20PM 𝗠𝗻𝗲𝘁… pic.twitter.com/4fcEtbFtek
— Mnet Plus Original (@mnetplus_og) January 23, 2026
In collaboration with SM Entertainment and production company eggiscoming, ‘Reply High School’ is produced by Shin Hyo-jung and writer Kim Dae Joo, known for works such as ‘Nana Tour’ and ‘Nana Inn’. The show aims to capture SMTR25’s off-stage personalities, chemistry, and growth as they enroll in a fictional school and experience K-culture spanning the 1990s, 2000s, and 2010s. The program will explore era-specific music, trends, and school culture, including festivals, sports days, and field trips.
‘Reply High School’ is scheduled to premiere on February 13 at 8:20 PM KST (4:50 PM IST) on Mnet and Mnet Plus.
Written by: Shrutha Keerthi E
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