- Yoo Jae-suk (Main Host)
- Jee Seok-jin (Self)
- Kim Jong-kook (Self)
- Haha (Self)
- Song Ji-hyo (Self)
- Yang Se-chan (Self)
- Ji Ye-eun (Self)
- Kang Gary (Self)
- Lee Kwang-soo (Self)
- Jeon So-min (Self)
Running Man — S1E4
Episode: Gwacheon National Science Museum, Part 1
Air Date: 2010-08-01
Runtime: 73 min
Overview
An exciting day at Gwacheon National Science Museum. Guest appearances from Nichkhun and Jessica will make this a spectacle to see. The teams this time are divided into "Child" and "Adult" team, and the mission is to find the "Golden Pigs" with the most money!