Overview:It's finally the pop quiz! Despite taking notes, the guys find themselves struggling to remember. Who crashes and burns in the spectacle of wrong answers? Slapstick comedy unfolds in the winter wonderland and everyone bonds with a frosty battle. Emerging victorious as an entertainer is Choi Jung-hoon! Is he willing to become a wreck to get at ZICO? The frazzled guys are welcomed back by steaming hot springs, and heart-to-heart talks are shared in the warmth. Coming soon!