The Big Bang Theory (TV Series)

The Staircase Implementation (2010)

Kaley Cuoco: Penny

Photos 

Quotes 

• Leonard : So, I did something stupid. I'm sure you did stupid things when you were younger. What were you doing seven years ago?

  Penny : Excuse me, I was in high school, studying, keeping my nose clean, doing volunteer work for the community...

  [Cut to Penny seven years ago, sitting with her boyfriend looking at a pregnancy kit] 

  Penny : Not pregnant! Yes!

  [They high-five] 

• Leonard Hofstadter : Actually, I couldn't get too mad at him about Joyce Kim.

  Penny : Why not?

  Leonard Hofstadter : Well, I was doing some government research at the time, you know, military rocket fuel. It was kind of secret.

  Penny : What does that have to do with Joyce Kim?

  Leonard Hofstadter : As it turns out, she was a North Korean spy. Luckily, Sheldon drove her out before I revealed anything important.