Penny, played by Kaley Cuoco, was one of the fan-favorite characters in The Big Bang Theory. Although she experienced ...

The Big Bang Theory writers dropped the ball by not expanding on the underrated dynamic between two series regulars.

In an interview with The Hollywood Reporter, Johnny Galecki, who plays Leonard, strongly hinted that his character might propose to Penny on the this year’s Valentine’s Day episode.Galecki ...

The Big Bang Theory very nearly included a joke once that could've paved the way for a permanent change in Sheldon and Leonard's relationship.

Penny plans to give Sheldon and Leonard some "silly neighbours gifts" which sends Sheldon into a panic about what to get her in return, leading him to buy a variety of gift baskets so he can ...

Leonard accidentally breaks Sheldon's DNA molecule model in Apartment 4A. Penny tells Sheldon that change is the only constant thing in life, and convinces him to ride in the newly repaired elevator.

So when a pretty blonde named Penny moves in the apartment across the hall, the guys decide to get an education outside of the classroom. Boys, you have a lot to learn. This season, Leonard gets a ...