Watch Under the Rainbow (1981) HD Full Movie Free on SolarMovie. Watch Under the Rainbow (1981) online free. A visiting dignitary, a CIA agent, a Nazi spy, Japanese tourists, an assassin and a group of "midget...A visiting dignitary, a CIA agent, a Nazi spy, Japanese tourists, an assassin and a group of "midget" actors from The Wizard of Oz (1939) all check into an elite Los Angeles hotel called Under the Rainbow.