What's Up (Korean: 왓츠업; RR: Watstcheu Eop) is a 2011 South Korean television series starring Lim Ju-hwan, Kang Dae-sung, Lim Ju-eun, Oh Man-seok, Jang Hee-jin, Kim Ji-won and Jo Jung-suk. It aired on Saturdays to Sundays at 23:00 on MBN starting from December 3, 2011, and ended on February 5, 2012. This series is about the dreams, passions, and love of twenty-year-old youths, in a University musical department.