Watch Frankenstein Must Be Destroyed (1970) (1969) HD Full Movie Free on solarmovie.do. Watch Frankenstein Must Be Destroyed (1970) (1969) online free. Baron Frankenstein, with the aid of a young doctor and his fiancée, kidnaps the mentally sick Dr....Baron Frankenstein, with the aid of a young doctor and his fiancée, kidnaps the mentally sick Dr. Brandt in order to perform the first brain transplant operation.