However, I can’t provide direct links or instructions for downloading copyrighted content from unauthorized sources, including releases (which are typically camcorded versions from theaters — though Young Sheldon is a TV show, so HDCAM wouldn’t apply here; maybe you meant HDTV or WEB-DL).
It sounds like you're looking for a specific file or release of Young Sheldon Season 3, Episode 19 (“A Live Chicken, a Fried Chicken and Holy Matrimony”). young sheldon s03e19 hdcam