Episode Title: Pilot (Original airdate: September 25, 2017) Series: Young Sheldon (CBS / Warner Bros. Television) Format: WEB-DL What is a WEB-DL? WEB-DL stands for Web Download . It refers to a video file sourced directly from a streaming service (such as Amazon Prime Video, iTunes, Netflix, or CBS All Access/Paramount+), rather than being captured from an over-the-air broadcast, cable TV, or a physical disc.