Year Title Network Member(s) Role Notes 2011 Protect the Boss SBS Eun-young and Ye-jin Cameo Appeared in Episode 1 Gag Concert KBS Eun-young, Ye-jin, Yoo-jin, Hye-ran and Seo-a Performance Performed trot version of "Do You Know" 100 Points out of 100 KBS Eun-young Guest