Watch Il Mostro di Frankenstein for Free: How to Stream the Movie Online at 123Movies. . The last silent Frankenstein film. While there is plenty of promotional material proving this film was shown internationally, there is currently no known film print and it is believed lost. A scientist manages to create a man with a chemical formula of his own invention, but the creature rebels against his creator and commits all sorts of disasters until he is reduced to impotence by the baron.