 | #076 - The Killers 2012-01-08 18.6% Ji Jin-hee Joo Sang-wook Kim Sung-soo Lee Chun-hee hideandseek ripnametag spy | 229 | 27 |
 | #080 - Charlie's Angels 2012-02-05 17.1% Go Ara Hyomin (T-ara) Im Soo-hyang ripnametag spy | 234 | 39 |
 | #090 - Gone Fishing 2012-04-15 13.7% Lee Deok-hwa Park Jun-gyu Park Sang-myun couplerace fishing ripnametag viking | 206 | 23 |
 | #092 - Running Man Chinese Delivery 2012-04-29 13.7% Chun Jung-myung Park Jin-young beach delivery easybrothers idol island jjajang matching ripnametag teams | 230 | 34 |
 | #093 - Non-Stop Survival Race 2012-05-06 18.0% Bae Suzy (miss A) Han Seung-yeon (Kara) Hyuna Krystal Jung (f(x)) Park Gyu-ri (Kara) nonstopfilming ripnametag rounds secondnametag survivalseries | 256 | 59 |
 | #097 - Asian Dream Cup 2012 2012-06-03 21.3% Ahn Jung-hwan IU Jong Tae-se Lee Chung-yong Park Ji-sung Rio Ferdinand Song Joong-ki ripnametag soccer spy | 233 | 44 |
 | #098 - Mystery Zombie Race 2012-06-10 17.9% No guests campfire dancing kwang mondaycouple noguests rickykim ripnametag scary scavenger school singing watergun zombie Seven high school students go on a field trip to an island overnight with one having a highly infectious disease. | 254 | 74 |
 | #103 - Beauty and the Beast 2012-07-15 21.4% Noh Sa-yeon Shin Se-kyung Yoo Jun-sang balance driving food goodfeeling piggyback pool princess ripnametag spicy suitcase water | 248 | 64 |
 | #104 - Running Olympics 2012-07-22 19.9% Eunhyuk (Super Junior) Hahm Eun-jung (T-ara) Jung Yong-hwa (CNBLUE) Lee Joon (MBLAQ) Nichkhun (2PM) Yim Si-wan (ZE:A) Yoon Doo-joon (Beast) bells hideandseek idols olympics pool race relay ripnametag runningmanvs trampoline volleyball A multilingual and talented MC announces the Running Man team and Idols team. They first compete against each other in a relay race, trampoline volleyball match, water high jump match, and a back-and-forth nametag elimination match. | 267 | 88 |
 | #105 - Jeju Money Game 2012-08-05 16.7% Han Ji-min Kim Je-dong jeju maze money ripnametag runningmanmt water | 213 | 25 |
 | #107 - Running Man Chaser 2012-08-19 19.4% Gaeko (Dynamic Duo) Jang Shin-young Kim Sang-joong betrayal chasing gold ripnametag secret spy watergun | 206 | 14 |
 | #109 - Four Seasons Training Race 2012-09-02 21.3% Park Tae-hwan Son Yeon-jae karaoke olympics ripnametag | 226 | 28 |
 | #110 - Target Hunting 2012-09-09 21.0% Park Tae-hwan Son Yeon-jae ddakji ripnametag | 219 | 38 |
 | #112 - Daddy And The Golden Eggs 2012-09-23 18.0% Im Ha-ryong Kim Tae-yeon (Girls' Generation) Ko Chang-seok Lee Jong-won Shin Jung-geun Son Byong-ho quiz ripnametag snsdgee yoorucewillis | 219 | 32 |
 | #115 - Incheon Landing 2012-10-14 19.1% Changmin (TVXQ) Moon Geun-young Yunho (TVXQ) chickenfight couples dodgeball gaze hideandseek idols mud photo ripnametag scavenger Running Man receive a morning wake-up performance, form couple teams and take part in a bell race. In the first challenge they must stand on a platform on a mud field and pose for a picture. Afterwards there is a dodgeball match against the VJs and a chicken fight. The winning and losing teams form an attacking and defending team respectively, and a nametag elimination and Running Ball elimination begins. | 229 | 39 |