It has been ten years since DinDin’s debut. DinDin invites his friends and throws a party. Won Hee, Jong Min, and Jin Hyuk go to Yoon Min Soo’s studio and get a singing lesson. After getting Min Soo’s lesson, Won Hee records a song for the first time. Meanwhile, Jae Hoon, Sang Min, and Joon Ho go to a special place to get help to quit smoking.

It’s Sang Min’s 50th birthday, and Joon Ho prepares a party for him. Members are gathered for the birthday party, but they can’t stop teasing Sang Min even on his birthday. Jae Hoon, Won Hee, and Jong Min take a math lesson. Meanwhile, Sang Min, Joon Ho, and Kangnam go to Kim Hye Sun’s gym. Stay tuned to check out!

Sang Min invites Jong Kook and Jong Min to his place. Sang Min will move out soon, so he called them to help him pack his things. He talks about the memories he made at the house. Jae Hoon, Joon Ho, and Muzie go to Shin Gyu Jin’s place. Meanwhile, Sang Min’s birthday party continues, and special guests pay a visit. Stay tuned to check out!

Won Hee and Kyeong Hwan go wakesurfing with Choi Yeo Jin. Their exercise quickly turns into a fierce competition. To help Sang Min clean up his cluttered house, Joon Ho calls in help from an expert organizer. The Idiot Trio is invited to KOYOTE’s 25th anniversary fan meet-and-greet. How will its performance go? Stay tuned to check out!

Sun Young finally goes on a blind date with the man matched by the matchmaking service. The members of the Idiot Trio star in Choi Hyun Woo's magic show. Lee Sang Hwa leads an intense workout session for the Glutton Trio. Stay tuned for this week's episode!

Hee Chul invites the sons to his wedding. It turns out he’s marrying himself because he loves himself so much. The sons are dumbfounded, but they decide to go along with him. It’s Jong Min’s birthday, and he spends a relaxing afternoon at home. Meanwhile, Won Ju takes Yong Yeo, Sang Min, and Jong Kook to an unexpected place for a birthday party. Stay tuned!

Actor Lee Dong Gun joins the show with his mother. He’s been living in a studio apartment by himself since he got divorced. He shows his love for his daughter, Ro A, and talks about how things changed after the divorce. Meanwhile, the sons are gathered to record the song of the show. They try their best to get more parts. Stay tuned to check out!