The Big Bang Theory began with a huge event in the lives of Leonard Hofstadter and Sheldon Cooper. That being, Penny moved into the apartment across the hall.
With the arrival of the actress-cum-waitress, everything began to change for Leonard and Sheldon. Leonard would eventually fall in love with Penny and, despite their seemingly huge differences, the couple would eventually find that they belonged together.
For Sheldon, the introduction of Penny into his life helped open up his world. From starting with allowing her to use his shower, to eventually meeting his own soulmate Amy, thanks to Penny he grew in a way he didn't think possible.
Penny's fun-loving outlook on life, and bravery in being able to reach for her dreams, made her a character instantly lovable and a sitcom legend.
So, how much do you really know about Penny from The Big Bang Theory? Only the biggest fans of the award-winning show will be able to get all these questions about Penny correct.
Can you remember what state Penny grew up in? Do you recall which season Penny and Leonard finally got married? Let's find out if you're an ultimate fan who can get every question correct!
Don't forget, all the answers can be found at the end of the quiz. Good luck!