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.
Trailer
Guest Cast
Pamela Adlon
voices Halley
Andre Boyer
as Kwame
Cast Appearances
Kaley Cuoco
as Penny
Episode Discussion
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