Running Man must find the two guests among many masked people before the guests find Running Balls that eliminate 2 Running Man members at a time. A drawing relay takes place after, and then they undergo a choreography dance challenge which if they pass will result in no punishment for anyone.
This episode takes place at a spa and the special guest is known for his acrobatic stunts. Running Man members must find him among other people at the spa and do diet karaoke and stunt challenges against Kim Byung-man.
In order to challenge the Running Man team, the FD (Floor Director) has set up special obstacles at a water park: find the guest, karaoke challenge, and an Indiana Jones-esque bridge. This episode kicks off with the RM team outside in beachwear during winter.
High school couples must complete various challenges before an elimination game at a school.
Running Man welcome guests at the airport and 4 teams are formed. Right away they must race to pick two numbers. Following challenges include a manual airplane trip with each team, dance post-its off their bodies, and then find mathematical operators. In the end, they must use the numbers and math operators to create an answer of 11.
Seven high school students go on a field trip to an island overnight with one having a highly infectious disease.
The men of Running Man meet in a cafe in long coats (like the main character in the drama this episode is a parody of) and order drinks. Couple teams are formed with the beautiful waitresses who bring out the drinks. After some games of couple piggyback tag and dodgeball, a big plot twist is added and they must find out which two are siblings.
Aliens are sent to Earth (Planet R21) in 3 teams to gather exactly 21 litres of water.
Bang Min-ah (Girl's Day) Hwang Chan-sung (2PM) Hyolyn (Sistar) Jang Wooyoung (2PM) Jung Eun-ji (Apink) Kim Da-som (Sistar) Kim Sung-kyu (Infinite) L (Infinite) Lee Gi-kwang (Beast) Lee Joon (MBLAQ) Son Na-eun (Apink) Yang Seung-ho (MBLAQ) Yoon Doo-joon (Beast) Yura (Girl's Day)
Each Running Man is teamed up with an idol music group and introduce themselves in hilarious dance performance. A pool platform match, blop jump, dodgeball match, and a timed escape challenge are held.
CL (2NE1) Hwang Chan-sung (2PM) Jang Wooyoung (2PM) Jo Jung-chi (Mystic89) Jun. K (2PM) Lee Jun-ho (2PM) Minzy (2NE1) Muzie (Mystic89) Nichkhun (2PM) Park Bom (2NE1) Sandara Park (2NE1) Yoon Jong-shin (Mystic89)
An MC in a loud outfit leads three teams through a relay, elimination rounds, and a nametag elimination relay.
Two teams are formed where they compete against each other in an acupressure obstacle course, handball challenge, badminton match, and a final musical performance.
Running Man are told they can go anywhere on a train and are asked to write down where they'd like to go. Suddenly guards come out and force them to write down "Prison". They have to face a unique challenge per carriage on the train. If they fail, they are sent to prison.