In the latest episode of Running Man, the Running Man crew and their special guests Kim Seo Hyung and Ye Ji Won race to bring bottles of "mystery water" to purify a tower of muddy water! As expected of Running Man, tensions were high and chaos ensued—here are the best moments from the episode!

That Kim Jong Kook ambushing Kwang Soo moment was absolutely hilarious. Oh Kwang Soo, what are we gonna do with you?  What do you think are the best moments from Running Man this week? Let us know in the comments, and don't forget to check out the full episode below: