In The Big Bang Theory, fans got to know the couple of Penny and Leonard (Johnny Galecki), who ended up happily married after a long relationship that, like any real-life one, had its ups and downs.

Almost two decades after The Big Bang Theory first introduced audiences to the bubbly waitress-turned-actress next door, fans ...

Actress Kaley Cuoco undoubtedly left a lasting impression on The Big Bang Theory as Penny during the 12 seasons the comedy ...

The elevator in The Big Bang Theory is broken down throughout the series.

The Big Bang Theory was created by Chuck Lorre and Bill Prady.

Many of the characters who appeared in The Big Bang Theory only for a cameo helped add depth to key details that were crucial in the broader context. How could Leonard and Penny become a couple ...

There's a very interesting reason behind The Big Bang Theory's broken elevator, and why the writers didn't bother to fix it ...

Why fans believe that Bernadette from The Big Bang Theory had a supervillain streak: from bullying coworkers to projecting ...

The potential for a 'Young Penny' spinoff from the successful sitcom 'The Big Bang Theory' is highly speculated by fans. Her character offers a fresh perspective on the series, focusing on her ...

Leonard accidentally breaks Sheldon's DNA molecule model in Apartment 4A. Penny tells Sheldon ... their super asymmetry theory is proven by two physicists, until they try to kick Amy off the Nobel ...