Watch Heidi (1937) (1937) HD Full Movie Free on SolarMovie. Watch Heidi (1937) (1937) online free. A plucky little orphan girl gets dumped abruptly into her gruff, hermit grandfather's care, then lat...A plucky little orphan girl gets dumped abruptly into her gruff, hermit grandfather's care, then later gets retaken and delivered as a companion for an injured girl.