Weekly Idol is a South Korean variety show that began in 2011 and currently airs Wednesdays at 7:20 PM KST on MBC M, and 12:00 AM KST on MBC Every1. It is one of the longest-running variety shows to air on satellite TV in Japan.The show was hosted during its first season by comedian Jeong Hyeong-don and rapper Defconn.

The production company behind the show, Genie Pictures was acquired by FNC Add Culture on January 15, 2018, while FNC Add Culture was acquired by SM Entertainment on May 18, 2018 and renamed SM Life Design Group.On February 22, 2018, MBC Every1 announced that both hosts would be stepping down from the show.Former Roo'ra member Lee Sang-min and comedians Yoo Se-yoon & Kim Shin-young were selected as the new hosts of the show's second season, which debuted on April 11, 2018. On November 21, 2018, it was announced that all 3 hosts, current producers and crew will be departing the show in January 2019, and a restructuring of the program is expected.On December 18, 2018, it was announced that the new hosts for the third season of the show are comedians Nam Chang-hee & Jo Se-ho and ZE:A's Hwang Kwang-hee. The third season began on January 9, 2019. On February 12, 2020, it was announced that Jo Se-ho and Nam Chang-hee will leave their hosting roles, and there will be special MCs recruited to join Hwang Kwang-hee in hosting of each episode, starting from the episode on February 19 until the episode on April 15. On April 17, it was announced that Super Junior's Eunhyuk will join the fixed MC cast alongside Hwang Kwang-hee, starting from the episode on April 22.On April 4, 2023 it was announced that Hwang Kwang-hee and Eunhyuk will leave their hosting roles after the episode on April 12, and BtoB's Seo Eun-kwang and Lovelyz's Mijoo will replace the former two beginning from April 19. Mukbang YouTuber Heebab would join the fixed cast lineup beginning the episode on November 1.On December 26, 2023, it was announced that Lee Mi-joo and Seo Eun-kwang will leave their roles as MCs with their last episode airing the next day. The two would be replaced by Boom and Golden Child's Lee Jang-jun, beginning the episode on January 17.