Guests: Chang Jung-koo, DJ Pumkin, Go Woo-ri (Rainbow), Heo Tae-hee, Hyun Joo-yup, Jung Tae-ho, Kim Jun-hyun, Kim Ki-bang, Kim Kwang-kyu, Kim Min-kyo, Kim Sook, Kim Won-hyo, Lee Ha-neul (DJ DOC), Lee Jung, Lee Sang-ho, Lee Sang-min, Lim Hyung-joon, Lim Ju-hwan, M.TySON, Ma Ah-sung, Mino (Free Style), Oh Jung-suk, Park Geun-sik, Park Joon-hyung (g.o.d), Park Na-rae, Sam Hammington, Seulong (2AM), Shim Hyung-tak, Superbee, Uee (After School), Wax, Yang Sang-gook, Yoon Park, Young-jun (Brown Eyed Soul), Zizo, etc...

The members of Running Man and six guests need to make their names or keywords searched online during the time this week's episode airs. The one who is most searched online will receive a benefit. Also, they create and upload videos online to promote themselves. The one that gets the most number of likes will win a prize. Stay tuned to find out the winner.

This week, Running Man celebrates Jong Kook's birthday with secret missions throughout the race. Mingyu from SEVENTEEN and singer-actress Jun Hyo Seong join in on the fun to see if they can outsmart the birthday tiger. In the end, Jong Kook gets to spin a roulette wheel for a chance to win birthday presents, courtesy of a lucky member whose name gets drawn.

This week, Hoshi and Mingyu of SEVENTEEN, Nam Joo and Bo Mi of Apink, and two comedians, Kim Soo Yong and Nam Chang Hee, join the members to participate in Old Restaurant Race. They need to find old restaurants around Seoul and deduct as many years as possible from the sum of their age in order to win. Stay tuned to find out which team wins!