"In the years before he could read—and even during the very early stages of reading—the captions were an annoying distraction from his TV-viewing experience. But around the time that his reading skills really started taking off, I noticed that he stopped complaining about the captions and stopped asking me to turn them off. He was both watching and reading, reinforcing what he was learning in school."
Help Your Learning Reader by Turning On TV Captions
My husband and I like having the captions on while we’re watching a TV show so we can keep the volume down without missing any dialogue. Because of that, the captions are almost always on when my son takes over the TV—a fact that frustrated him for years.