South Indian Superman, The (1980)

The hero, Babu (Rama Rao Taraka Nandamuri), witnesses the murder of parents by cowboys. He vows revenge and the spends the rest of the 2 hours and 15 minutes of the flick getting just that. Throw in some dance numbers, bad hairdos and outrageous acting, you have yourself a classic of Indian cinema few have seen! (In Telugu language, with English subtitles).