[OSENWORLD] MBC’s popular variety show The Wonder Coach, led by volleyball legend Kim Yeon-koung, is extending its connection with viewers beyond television through a new official YouTube channel, Wonderdogs Locker Room.
The channel features exclusive behind-the-scenes footage and unreleased clips not shown in the main broadcast. Its first upload — a touching “locker room” episode capturing heartfelt moments between the Wonderdogs players and their families — quickly went viral, surpassing 500,000 views within a day.
Fans flooded the comments section with reactions like “I’ve been waiting for this,” “I could watch this forever,” and “Can’t wait for the next episode,” reflecting the show’s growing popularity.

According to the production team, more unreleased footage and bonus segments will be unveiled in stages.
“Through the official YouTube channel, we plan to share additional stories and moments that couldn’t be included in the main broadcast,” the producers said. “Viewers can now follow the Wonderdogs both on TV and online.”
The Wonderdogs Locker Room channel will continue to release exclusive content from The Wonder Coach, including behind-the-scenes clips, interviews, and production stories.
The Wonder Coach airs every Sunday at 9:10 p.m. KST on MBC.
/k_inside@osen.co.kr
Courtesy of MBC