King Sejong the Great is a 2008 South Korean historical television series depicting the life of the fourth king of Joseon, Sejong the Great. 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.