Watch The Return of Swamp Thing (1989) HD Full Movie Free on solarmovie.do. Watch The Return of Swamp Thing (1989) online free. In this tongue-in-cheek sequel, the benevolent bog creature falls for the vegetarian, plant-loving d...In this tongue-in-cheek sequel, the benevolent bog creature falls for the vegetarian, plant-loving daughter of the evil scientist who created him.