Reply 1988 is a South Korean television series starring Lee Hye-ri, Ryu Jun-yeol, Go Kyung-pyo, Park Bo-gum, and Lee Dong-hwi. Beginning in the year 1988, it revolves around five friends and their families living in the same neighborhood of Ssangmun-dong, Dobong District, Northern Seoul. It aired every Friday and Saturday from November 6, 2015, to January 16, 2016, on tvN for 20 episodes.

Lee Hye-ri, better known mononymously as Hyeri, is a South Korean actress, singer, and television personality. She rose to fame as the youngest member of girl group Girl's Day, and was named as the "Nation's Little Sister" by the South Korean media due to her immense popularity after appearing as a fixed cast member on Real Men (2014).