Get ready for a total K-pop meltdown! JTBC’s Knowing Bros is uniting four legendary girl groups for an explosive June 20 episode.

Generational Clash: Watch 2nd-gen icons meet 4th-gen stars. Viral Moments: From hilarious "Yaho" memes to high-octane dance finales.

Pure Chaos: Unscripted banter and epic talent showcases. Don't miss the ultimate variety show event of the year!