W (Hangul: 더블유; RR: Deobeuryu) is a 2016 South Korean television series, starring Lee Jong-suk and Han Hyo-joo. It airs on Wednesdays and Thursdays at 22:00 (KST) on MBC starting July 20, 2016. The drama is Han Hyo-joo's small screen comeback after 6 years.