Teaclips on Instagram: "Plot & Overview of The Big Bang Theory The Big Bang Theory is a comedy series centered on a group of genius friends whose lives revolve around science, comics, video games, and rigid routines. Their carefully structured world is disrupted when Penny, a confident and socially skilled neighbor, enters their lives and challenges their way of thinking. The contrast between high intelligence and low social skills creates much of the show’s humor. As the series progresses, the