Black Friday
- An: 1940
- Țară: United States of America
- Gen: SF, Crimă, Horror
- Studio: Universal Pictures
- Cuvânt cheie: experiment, gangster, professor, murder, mad doctor, car accident, brain surgeon, hidden loot, brain transplant, hidden money
- Director: Arthur Lubin
- Distribuție: Stanley Ridges, Boris Karloff, Bela Lugosi, Anne Nagel, Anne Gwynne, Virginia Brissac