Sandglass (Korean: 모래시계) is a South Korean television series. It is one of the highest-rated Korean dramas in history, and is also considered one of the most significant. Written by Song Ji-na, directed by Kim Jong-hak and produced by their own company Jcom, it aired on SBS in 1995 in 24 episodes.A depiction of the tragic relationship among three friends affected by the political and civilian oppression of 1970s and 1980s Korea, the series mixed politics, melodrama, and action. It recorded a peak rating of 64.5%, the fourth highest of all time, and launched its leading trio of Choi Min-soo, Go Hyun-jung, and Park Sang-won into stardom. Its reenactment of the Gwangju Uprising (interspersed with archival video footage) has been called one of the most realistic and memorable moments in Korean TV history.