The Big Bang Theory 12x17 Promo “The Conference Valuation“ (HD)

The Big Bang Theory 12x17 “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. Subscribe to tvpromosdb on Youtube for more The Big Bang Theory season 12 promos in HD! The Big Bang Theory official website: