This week, the members are joined by the four leads of the upcoming movie, “New Year Blues,” Yoo Yeon Seok, Lee Yeon Hee, Choi Soo Young, and Yoo Teo. Since it’s the last episode of 2020, the guests and the members participate in missions where they send off the old year and welcome the upcoming year. Which team will win and which team will get the penalty?