The Sex Serum of Dr. Blake (1970) is a Horror, Thriller, Science Fiction film that follows previously lost exploitation film about a youth serum and the crooks who try to steal it. The Sex Serum of Dr. Blake is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 3.8 out of 10 from 10 votes. Fans of horror movies may also want to explore similar titles below.