"Marty was very upset," Scorsese's pal Steven Spielberg explained in the clip. "I get a call at the office, and he said, 'Steve, Steve, this is Marty. Can you come over to the house? They want me to cut all the blood spurting, they want me to cut the guy who loses his hand!'"

Though it's been nearly 40 years since Martin Scorsese's “Taxi Driver" hit theaters, he still recalls the extreme measures he considered taking to convince the studio to approve.