On the KBS 2 TV Happy Sunday - 1 Night 2 Days which aired on January 26, 2014, the six members of 1 Night 2 Days went on a trip to Ul Jin, Kyung Book, with the theme of "Trip of the men."

On this day with the trip titled as "the trip of the men," the 1 Night 2 Days members played games that tested their masculinity, such as wisdom and physical stamina.

On this day's episode, the 1 Night 2 Days members performed tests to prove that they are real men. The first test was a wisdom test where the 1 Night 2 Days members had to the Chinese words for the traditional Korean proverbs. The 1 Night 2 Days members kept saying funny answers that were pretty similar to the right answers but wrong, making the audiences laugh. The second test was where they had to overcome their fear and bring back the three flags on the ice in the dark.