Watch full movie online. Hammerstein and Kern’s Show Boat is a true classic of American musical theater - a tale of life on the Mississippi from the 1880s to the 1920s is both a poignant love story and a powerful reminder of the bitter legacy of racism. The exuberant production from the San Francisco Opera features songbook classics such as “Ol’ Man River” and “Can’t Help Lovin’ Dat Man”.