Beginning with a Lunar New Year's Special in 2009 with three new couples, a new format is introduced into the show, first forecasted through the addition of Kangin and Lee Yoon-ji.
Each couple is given a concept to portray; in Kangin and Lee Yoon-ji's case, a college couple living with a limited income.
For the Chuseok special, Brown Eyed Girls' Gain & 2AM's Jo Kwon and SG Wannabe's Lee Seok-hun & host Kim Na-young appeared as two new couples.
The episode achieved Season 2's highest rating, and Gain and Jo Kwon were announced to be a permanent couple. Couple List This event, compounded with the ROKS Cheonan sinking incident, which caused cancellation of most variety shows at the time, resulted in a backlog of footage for the couples Jo Kwon & Gain and Yonghwa & Seohyun.
Couple List (New Format) Season three officially begins on 9 April, with two additional couples upon the departure of Yonghwa & Seohyun, as well as a new format. This resulted in the contents of their latest episodes being of footage recorded some months previously, rather than the normal 1–2 weeks of the original.
For the first time, a real couple is cast in the show.
Guest celebrities are invited to be show's commentators for each episode so that they can share their opinions on marriage on behalf of their age group.
SG Wannabe's Kim Yong-jun and Hwang Jung-eum also do the interview room together dressed in wedding attire.However, due to low ratings, the show returned to its old format with the addition of a make-believe couple actor Park Jae-jung and After School member Uee on 2 August 2009. It used to be one segment of the Sunday Sunday Night program. First broadcast in 2008, the show pairs up Korean celebrities to show what life would be like if they were married.With a new format and slightly different couples, newlyweds are given a mission to complete each week.As during the special pilot episode, interviewed participants provide a unique perspective on the ongoing relationship conflicts and developments.All of the recorded material is then played in front of the participants, MCs, and audience who add commentary or clarification.