- Previous episode S02E16 - A Loaf of Bread and a Grand Old Flag
- Number S02E17
- Director Beth McCarthy Miller
- Writers Chuck Lorre, Steven Molaro, Eric Kaplan
Albert Einstein and the Story of Another Mary
Inspired by his hero, Albert Einstein, Sheldon tries his hand at the violin. Also, Mary and Meemaw secretly buy a pregnancy test when Mary thinks she's pregnant.