39 episodes. The comic plot of Douluo Mainland shows that in episode 39, Tang San was in distress at the end of crossing the river, and Xiao Wu exploded to kill eight waterfalls and beat Tang San, so Xiao Wu killed Tang San with a knife is episode 39. Xiaowu, the heroine of fantasy novel's Douluo Continent series written by Tang Sanshao, is the lover of the leading actor Tang San, a 100,000-year-old cartilage rabbit.