The Empty Head Avengers Competition
This week, the cast hosts the Empty Head Avengers Competition to find out who's the smartest and the most clueless among Song Ji Hyo, Yang Se Chan, Choi Daniel, and Ji Ye Eun. Meanwhile, the remaining four Brainiacs will place bets using special summer-themed betting money. It's a fierce contest within teams, where every point counts. Only the top scorers will boost their odds of escaping the final penalty. How will the Empty Heads rank?

Cast
Yu Jae-seokSelf
Jee Seok-jinSelf
Kim Jong-kookSelf
HahaSelf
Song Ji-hyoSelf
Yang Se-chanSelf
Ji Ye-eunSelf
Jeon So-minSelf – Former Member
Lee Kwang-sooSelf – Former Member
Kang GarySelf – Former MemberRunning Man on tvt

