Mysterious Island

Watch Mysterious Island full movie online Movies123. Watch Mysterious Island 123movies online for free. Mysterious Island 123Movies: During the US Civil War, Union POWs escape in a balloon and end up stranded on a South Pacific island, inhabited by giant plants and animals. They must use their ingenuity to survive the dangers, and to devise a way to return home. Sequel to '20,000 Leagues Under the Sea' .