nocontextrunningman:

Here is the list using TNmS Ratings (Nationwide). 

1. Episode 131: 23.6% with guests Choo Sung Hoon and Lee Si Young.

2. Episode 124: 23.4% with guests Go Soo and Han Hyo Joo.

3. Episode 119: 23.3% with guests Choo Shin Soo, Jin Se Yeon and Ryu Hyun Jin. 

4. Episode 133: 23.1% with guests Han Hye Jin and Lee Dong Wook.

5. Episode 120: 22.9% with guests Lee Seung Gi and Park Shin Hye.

6. Episode 109: 22.7% with guests Park Tae Hwan and Son Yeon Jae.

7. Episode 103: 22.6% with guests 

Shin Se Kyung, Noh Sa Yeon, and Yoo Joon Sang.

8. Episode 123: 22.2% with guests Go Soo and Han Hyo Joo.

9. Episode 126: 22.2% with guest Choi Ji Woo.

10. Episode 97: 22.1% with guests IU and Park Ji Sung.