The Big Bang Theory 12×17 Promo “The Conference Valuation”

The Big Bang Theory 12×17 “The Conference Valuation” Season 12 Episode 17 Promo – When Penny and Bernadette go to San Diego for a pharmaceutical sales convention, Wolowitz is in charge of the kids. Also, Sheldon finds a book on experimenting on kids, and the guys plus Amy make a day of it, on THE BIG BANG THEORY, Thursday, March 7th on CBS.

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