Watch Kung Fu Theater: Invincible Hero (2006) : Full Movie Online Free Featuring plenty of high-kicking, fist-flying action, this installment of the Kung Fu Theater collection presents Invincible Hero (1973), a martial arts classic from the vaults of Hong Kong cinema. Summoning his skills to defeat a troublesome local thug, a martial arts student (Barry Chan) emerges victorious. But when his enemy retaliates by trying to rape a female classmate, it's definitely time for a rematch. Chan Wai Lau and Liu Ping co-star.