And next, tonight, the remarkable discovery made by parents of a son with autism, who loves Disney characters in animated movies. The parents decided to begin acting out the scenes. And they found a... See More
And next, tonight, the remarkable discovery made by parents of a son with autism, who loves Disney characters in animated movies. The parents decided to begin acting out the scenes. And they found a bridge into the mind of their son. Here's ABC's linsey Davis. Reporter: When Owen suskind was just 2 years old, he simply vanished. He just stopped talking. Reporter: The diagnosis, regressive autism. We see every specialist we could. A kid is drowning in a lake, every parent would dive in to get him. Reporter: Owen's only refuge, Disney movies, which he watched over and over again. Looks like the winds are changing. Change is good. Reporter: Then, one day, discovery. Owen is repeating the words he hears on screen. So, his dad turns to this parent from aladdin for help. I grab a favorite puppet of his. You married the princess. How does it feel to be you? To be Owen? And Owen turns to the parrot, like he's bumping into an old friend. And says, not good. I can't understand what people say. And I have no friends. Reporter: How are you feeling at this moment? I am biting my lip to not cry. That was the first time we had a conversation. Really, you and me since we were about 2. Yeah. And so, we talked that night. It was really you talking to yaga, with me under the bedspread. Reporter: It turns out, Owen knows every line, every voice. And while he can't write his name, he can draw it like an animator. His family, therapist and teachers, now using this pathway to help this little boy find his own voice. You are more than what you have become. You must take your place in the circle of life. Reporter: Today, Owen is thriving. His story, resonating with families. And researchers now asking, could this be a new way to reach children like Owen? What we've learned is that the brain finds a way. Reporter: His family's advice -- harness a child's fixation. It might just prove the secret passageway to finding them. Who are you, Owen? Your son. You bet. Reporter: Linsey Davis, ABC news, New York.
This transcript has been automatically generated and may not be 100% accurate.