Being an extra on a TV show like The Big Bang Theory is an enjoyable and low-pressure job in the entertainment industry. According to a Redditor who worked as an extra on the show, the most important rule for extras was to wear a color that didn't conflict with what the main cast was wearing. They also shared that the food on set was great, and they had the opportunity to meet and work with actor Kunal Nayyar. Overall, being an extra on The Big Bang Theory was a fascinating experience.
