Amy And Sheldon Put Their Friends To The Test On The Big Bang Theory

The pair use science experiments to determine who their wedding party in "The Matrimonial Metric."

Sometimes you need to use a test to find the best (man).

On the next episode of The Big Bang Theory, entitled "The Matrimonial Metric" and airing on Thursday, Jan. 4 at 8/7c on CBS and CBS All Access, Amy ( Mayim Bialik) and Sheldon ( Jim Parsons) subject their friends to a series of secret experiments.

Why? Oh, it's just their way of discovering who would be most qualified to be best man and maid of honor at the couple's wedding.

Also, Penny ( Kaley Cuoco) reveals her true feelings about Amy.

What will Sheldon and Amy's findings be?

Will the results drive a wedge between friends?

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