Watch Twilight in the Sierras (1950) (1950) HD Full Movie Free on solarmovie.do. Watch Twilight in the Sierras (1950) (1950) online free. Roy is a United States Marshal tracking down a counterfeiting ring and hunting down a mountain lion....Roy is a United States Marshal tracking down a counterfeiting ring and hunting down a mountain lion. Songs: "It's One Wonderful Day, " "Rootin' Tootin' Cowboy, " "Pancho's Rancho" and the title song.