The design of the Na’vi was one of the most striking parts of James Cameron’s Avatar, an entire race of people with their own look and language. But the look of the Na’vi didn’t come from Cameron or his talented team of artists. They actually came from his mom. Yes, the design of the Na’vi came from a dream James Cameron’s mother had and relayed to her son. That’s just one of the facts packed into the latest episode of You Think You Know Movies, which takes you on an unexpected journey behind the scenes of Avatar !