Watch The Invisible Man Returns (1940) (1940) HD Full Movie Free on solarmovie.do. Watch The Invisible Man Returns (1940) (1940) online free. The owner of a coal mining operation, falsely imprisoned for fratricide, takes a drug to make him in...The owner of a coal mining operation, falsely imprisoned for fratricide, takes a drug to make him invisible, despite its side effect: gradual madness.