It’s true. The 1993 Steven Spielberg classic Jurassic Park was almost filmed using stop motion instead of CGI because the director didn’t’ believe the technology was there in 1991 when they were making the film. It wasn’t until the team at Industrial Light and Magic proved him wrong that he decided to go with CGI instead of stop motion.
It’s all explained in the latest of the Academy of Motion Picture Arts & Sciences web series called Academy Originals. Watch below and see a little snippet of what the film would have looked like had it been filmed with stop motion.