"""""""The Expedition Approximation"""" -- Leonard (Johnny Galecki, right) and Penny (Kaley Cuoco, left) seek advice from Wolowitz and Bernadette after they fight about money, on THE BIG BANG THEORY, Monday, Oct. 20 (8:00-8:31 PM, ET/PT), on the CBS Television Network.  Photo: Monty Brinton/CBS ©2014 CBS Broadcasting, Inc. All Rights Reserved"""
{}