Emperor of the Sea is a South Korean television drama series directed by Kang Il-soo and Kang Byung-taek and starring Choi Soo-jong, Chae Shi-ra, Song Il-gook and Soo Ae. It aired on KBS2 from November 24, 2004 to May 25, 2005 on Wednesdays and Thursdays at 21:50 for 51 episodes. The historical drama is based on Choi In-ho's novel of the same title, which depicts the life of Jang Bogo, who rises from a lowly slave to a powerful maritime figure who dominated the East Asia seas and international trade during the Unified Silla Dynasty.