Kaley Cuoco's Penny has a lot of great episodes in "The Big Bang Theory" — but which ones are her very best?

The actors of 'The Big Bang Theory'—Kaley Cuoco, Johnny Galecki, Jim Parsons, Melissa Rauch, Kunal Nayyapose, Mayim Bialik, ...

Penny, played by Kaley Cuoco on "The Big Bang Theory," is pretty great ... except in these five particular moments.

The Big Bang Theory is, at its heart, about relationships. The geek culture references, cameos, and science speak are dressings, and funny ones at that. But from the very beginning, the series set ...

We may receive a commission on purchases made from links. Thankfully, at the end of Season 3, two female cohorts for Penny are introduced: Melissa Rauch's microbiologist Bernadette ...

Add Yahoo as a preferred source to see more of our stories on Google. The actors of 'The Big Bang Theory'—Kaley Cuoco, Johnny Galecki, Jim Parsons, Melissa Rauch, Kunal Nayyapose, Mayim Bialik, and ...