The Big Bang Theory - Season 12 Episode 17 -
Season 12, Episode 17 - The Conference Valuation
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.
Please explain the problem in a few words.
Max 255 characters.
Max 255 characters.