In The Big Bang Theory, fans got to know the couple of Penny and Leonard (Johnny Galecki), who ended up happily married after a long relationship that, like any real-life one, had its ups and downs.

Almost two decades after The Big Bang Theory first introduced audiences to the bubbly waitress-turned-actress next door, fans ...

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 ...

Here are two things we can learn from Leonard and Penny’s relationship: Notice unbalanced dynamics: One of the core underlying issues in Penny and Leonard’s relationship was the imbalance in ...

There's a very interesting reason behind The Big Bang Theory's broken elevator, and why the writers didn't bother to fix it ...

The elevator in The Big Bang Theory is broken down throughout the series.