Spring Waltz (Hangul: 봄의 왈츠; RR: Bom-ui Wal-cheu) is a 2006 South Korean television series starring Seo Do-young, Han Hyo-joo, Daniel Henney, and Lee So-yeon. It aired on KBS2 from March 6 to May 16, 2006 on Mondays and Tuesdays at 21:55 for 20 episodes.It is the fourth and final installment of director Yoon Seok-ho's season-themed Endless Love series, following Autumn in My Heart, Winter Sonata and Summer Scent.