The Big Bang Theory's unaired pilot didn't include Penny, but the show's original female lead wasn't exactly a good fit, prompting the change.

There's a pretty famous thing on "The Big Bang Theory" regarding Penny's last name — which is to say, she doesn't have one.

“ The Big Bang Theory ” co-creator Chuck Lorre says Kaley Cuoco ‘s character Penny took a few seasons to fully understand. “It’s a cliched character: the dumb blonde, and we missed it ...

The Big Bang Theory may have wrapped up back in 2019, but the long-running sitcom has left an indelible impression on its many fans.

Kaley Cuoco helped to push Penny's evolution in more ways than one on The Big Bang Theory.

Do you think it's weird that Penny, a main character on 'The Big Bang Theory' was never given a last name? The reason why is pretty surprising!

‘The Big Bang Theory’: Penny Quits Acting In Season 8 On the Season 7 finale of The Big Bang Theory, Leonard popped the question to Penny, after she was fired from her acting job. Filled with ...

'Big Bang Theory' behind the scenes: Dressing Penny, Amy and Bernadette -- VIDEO35,382 people played the daily Crossword recently. Can you solve it faster than others?

‘Big Bang Theory’ First Look: See Penny and Leonard’s Wedding Photos (Exclusive) Showrunner Steve Molaro talks with THR about what to expect from the not-so-happy newlyweds at the start of ...