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.

Prior to The Big Bang Theory's official premiere, its unaired pilot had a significantly different cast of characters aside from Leonard and Sheldon.Penny, Raj, and Howard are missing, and in their ...

Penny shows up on The Big Bang Theory in the very first episode and effectively turns Leonard and Sheldon’s world on its head. The pretty blonde is the polar opposite of the neighbors next door.

Max is officially changing back to HBO Max, and with that change it looks the first priority was to put in a series order for ...

In The Big Bang Theory, Penny is one of the characters that changes the most from the start of show to the end. When we first meet Penny she's just moving in to her new apartment.

The Big Bang Theory writers did a great job, over the course of 12 seasons, of crafting immersive backstories for each of the main characters. By the time the show premiered its series finale ...

Cuoco’s Penny didn’t enter “The Big Bang Theory” cast until Lorre penned a “do-over” pilot after shooting a failed first version that never aired.

In The Big Bang Theory, Penny might not have been a genius but she often came out with some impressive lines. Throughout the 12 seasons of the show, Penny was quick with her jokes, ...

PHOTOS: ‘The Big Bang Theory’ Celebrates 100 Episodes “I don’t know if they’re made for each other, but I think that Leonard and Penny help make each other into the people that they’d ...

“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 ...