Watch TV Series Becoming You Apple TV Online at Couchtuner. Becoming You explores how the first 2,000 days on Earth shape the rest of our lives. Told through the eyes of over 100 children across the world, from Nepal to Japan and Borneo, each episode offers a thought-provoking look at how children learn to think, speak and move, from birth to age 5. It underscores how different our journeys can be, but ultimately tells the story of our shared humanity and community when it comes to raising children.