Broadcast Date: 2018-09-23 (filmed on 2018-09-10)
Location: SBS Broadcasting Center (Mok-dong, Yangcheon-gu, Seoul)
Description: This week, the Running Man members will finally be able to find out the secret behind the briefcase they tried their best to deliver last week. The briefcase has a three-digit passcode, and through various missions, the members will receive hints regarding the passcode. Furthermore, Jang Do Yeon joins them as a host and a mysterious woman who is in charge of the briefcase. What is the hidden truth behind this briefcase?
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