Which groundbreaking 1950s American sitcom pioneered the standard three-camera setup, allowing television shows to be filmed before a live studio audience and later successfully syndicated on film?

💡 Explanation:

The production company for 'I Love Lucy,' led by Lucille Ball and Desi Arnaz (Desilu Productions), famously insisted on filming the show on 35mm film using a three-camera system instead of the inferior kinescope method, establishing the production standard used by most sitcoms for decades.