The Big Bang Theory 11×04 Sneak Peek “The Explosion Implosion”

The Big Bang Theory 11×04 “The Explosion Implosion” Season 11 Episode 4 Sneak Peek – Howard and Sheldon bond when they drive to the desert to shoot off a model rocket. Also, when Leonard’s mom, Beverly (Christine Baranski), finds a new best friend in Penny, it rubs Leonard the wrong way, on THE BIG BANG THEORY, Monday, October 16th on CBS.

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