Get the latest The Big Bang Theory news, episode guides, character quotes, merchandise and more on our fan site. Big Bang Cosmology. The Big Bang Model is a broadly accepted theory for the origin and evolution of our universe. It postulates that 12 to 14 billion years. Watch full episodes of The Big Bang Theory and get the latest breaking news, exclusive videos and pictures, episode recaps and much more at TVGuide.com The Big Bang Theory: Bazinga! Get your gift-giving going and prepare to triangulate on those super-special presents your hyper-intelligent physicist buddies demand. The Big Bang theory is the prevailing cosmological model for the universe from the earliest known periods through its subsequent large-scale evolution. Welcome to the OFFICIAL Big Bang Theory YouTube channel! Don't forget to SUBSCRIBE! Leonard and Sheldon are brilliant physicists - geniuses in the laboratory. The Big Bang Theory returns on Monday, September 21st. Don\'t miss the season\'s premiere. Watch full episodes of The Big Bang Theory, view video clips and browse. The Big Bang Theory is an American sitcom created by Chuck Lorre and Bill Prady, both of whom serve as executive producers on the show along with Steven Molaro. Amazon.com: The Big Bang Theory: Season 7: Johnny Galecki, Jim Parsons, Kaley Cuoco, Simon Helberg, Kunal Nayyar, Mayim Bialik, Melissa Rauch, Chuck Lorre, Bill Prady. Big Bang Theory - Concise synopsis of the big bang theory's background, historical foundations, major problems. What are the alternatives to our ultimate question of.