Watch the teaser for SNSD HyoYeon's 'Knowing Brothers' Episode

SNSD's HyoYeon is appearing in the next episode of jTBC's 'Knowing Brothers'!

The said episode will be aired on the 19th and along with her are  Hwang Bo, MAMAMOO's HwaSa, and Cosmic Girls' Dayoung.  You know it's gonna be hilarious so let's check out their teaser below~