How Movies Being Made on Instagram: "Making of Scooby-Doo (2002) shows how actors brought the cartoon world to life using practical puppetry and early CGI. Scenes with Shaggy and Scooby were first performed with a stand-in puppet head to help the cast keep eye-lines and reactions natural before animators replaced it with the digital Scooby we know today. The behind-the-scenes process mixed animatronics, reference props, and motion-guides so animators could match lighting and movement perfectly.