From the pilot episode to the final, The Big Bang Theory has been about Leonard and Penny's relationship. From their multiple ...

While Sheldon had a smart way to steal the show on The Big Bang Theory with his quirky and often inappropriate one-liners, ...

It might only run for 60 seconds, but for Big Bang Theory fans — especially Team Leonard and Penny — it’s a punchy hit of nostalgia with just the right amount of chaos. Join more than 30,000 ...