Yoo Jae-seok was selected as the best member of 'Running Man' members.
On SBS 'Running Man' broadcasted on the afternoon of the 18th, 'How much do you know Running Man?' The Race was held.
The members opened their own venues on the day, and the first Mission they received was, 'Who is the member who knows the most about the Running Man members? 'All eight members must answer the same person to succeed.
Lee Kwang-soo and Haha expressed confidence that they knew the most members, but both chose Yoo Jae-seok as a member who knew the members well. In addition, Kim Jong Kook said, "Ji Seok Jin does not know about us, and Ji Seok Jin knows only himself."
Yoo Jae-seok's choice focused attention on all the members, and Yoo Jae-seok chose himself after the trouble, and the first Mission was successful unanimously by the members.