Even though the entire setup of Chuck Lorre's wildly popular sitcom "The Big Bang Theory" puts forward ... Sheldon Cooper ...

The Big Bang Theory franchise cheapens Sheldon and Penny's very first bonding moment that set up their solid friendship.

While Leonard Hofstadter and Penny are currently dating on The Big Bang Theory, they’ve had an on-again and off-again relationship throughout the series. One of the big mysteries of The Big Bang ...