King Sejong the Great is a 2008 South Korean historical television series depicting the life of the fourth king of Joseon, Sejong the Great (played by Kim Sang-kyung). Considered one of the greatest kings in Korean history, Sejong created Hangul, the Korean alphabet. The series aired on Korean Broadcasting System from January 5 to December 7, 2008 on Saturdays and Sundays at 21:30 for 86 episodes. Episodes 1 to 26 aired on KBS1, and episodes 27 to 86 aired on KBS2.