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Leonard's Mom And Penny Become BFFs On The Big Bang Theory When Dr. Beverly Hofstadter bonds with her daughter-in-law, it rubs Leonard the wrong way in "The Explosion Implosion."
Posted on Oct 12, 2017 10:20am

It's nice when your spouse gets along with your parents, but what happens if they become BFFs?

Leonard (Johnny Galecki) faces this exact dilemma in the latest episode of The Big Bang Theory, which airs on Monday, Oct. 16 at 8/7c on CBS and CBS All Access.

WATCH: Preview Of Episode 4, Season 11 Of The Big Bang Theory

It turns out that Penny (Kaley Cuoco) and Leonard's mom, Beverly (Christine Baranski), have become super-tight, and Leonard isn't quite sure what to make of it.



Meanwhile, Howard and Sheldon bond when they drive to the desert to shoot off a model rocket.



Will Leonard stay out of his wife and his mother's budding friendship?

Or will it drive a wedge between the married couple?

Watch all-new episodes of The Big Bang Theory on Mondays at 8/7c on CBS and CBS All Access.