Watch Black Friday

Brain specialist Dr. Sovac illegally transplants part of injured gangster Red Cannon's brain into the head of his dying friend Professor Kingsley. The operation saves Kingsley's life but transforms him into a Jekyll-Hyde. When Dr. Sovac discovers the dead gangster had hidden away $500,000, he is determined to locate the money through the part of Red's brain that still lives.

Black Friday is a 1940 drama with a runtime of 1 hour and 10 minutes. It has received moderate reviews from critics and viewers, who have given it an IMDb score of 6.3.