Worlds collide in Season 3! A love affair with Penny has opened a big, wide, wonderful world of romance for Leonard. But Sheldon likes the world just the way it was, thank you. All of which makes for a zany comic triangle with brainy, clueless Sheldon and practical, grounded Penny hilariously vying for the role of hypotenuse.
Currently you are able to watch "The Big Bang Theory" streaming on Netflix or buy it as download on Google Play Movies, Microsoft Store, Apple iTunes, Talk Talk TV, Amazon Video, PlayStation.