Ha Seok-jin Self Ep 1-present. For each place, the members would be split into 2 teams of 3 to look for people who they think are hidden brainiacs in the place and each team selects one to join, and the 2 teams go against each other in a battle of problem solving. A Call from the Nation Episode 1 2 years ago. Jang Dong-min , Hong Jin-ho. Louis , majoring in business both are married to each other 2.
nest...