Sing Again () is a South Korean television program that aired on JTBC starting November 16, 2020. Season 1 aired at 22:30 (KST) on Monday.
Season 2, starting on December 6, 2021, aired at 21:00 (KST) every Monday. Season 3, starting on October 26, 2023, aired at 22:00 (KST) every Thursday. Season 4, starting on October 14, 2025, aired at 22:30 (KST) every Tuesday.
All seasons have been hosted by Lee Seung-gi.
There are many unknown singers all over the world, singers who have been short-lived but have been forgotten, and singers who are capable but have not come across an opportunity to debut. These singers are given a second chance to "sing again" through the show in this new-concept rebirth talent show.
In the ratings below, the lowest rating for the show will be in and the highest rating for the show will be in .
In the ratings below, the lowest rating for the show will be in and the highest rating for the show will be in .
In the ratings below, the lowest rating for the show will be in and the highest rating for the show will be in .
In the ratings below, the lowest rating for the show will be in and the highest rating for the show will be in .
Famous Singer () is a Sing Again spin-off program that runs from April 2, 2021 â June 22, 2021. It features the Top 3 contestants from Sing Again season 1.<br>On the new program, the Top 3 finalists include winner Lee Seung-yoon, runner-up Jeong Hong Il, and third-place contestant Lee Mu-jin, will be meeting with Korea's legendary singers to talk about music and perform covers and collaborations.
Famous Singers and Street Judges () is the second spin-off program from Sing Again that runs from March 6, 2024. It features the Top 7 contestants from Sing Again season 3.<br>On the new program, the Top 7 contestants will leave the confines of the competition venue to tour the country, engaging in a novel road busking music show with a panel of street judges from various genders and generations.