Albert Einstein and the Story of Another Mary

Summary

Inspired by his hero, Albert Einstein, Sheldon tries his hand at the violin. Also, Mary and Connie secretly buy a pregnancy test when Mary thinks she's pregnant

Guest stars

• Matt Hobby as Jeff Difford
• Wyatt McClure as Billy Sparks
• Melissa Tang as Ms. Fenley
• Billy Gardell as Herschel Sparks
• Nancy Linehan Charles as Peg
• John Rubinstein as Rabbi Schneiderman
• Martin Garcia as Mr. Nelson
• Becki Dennis as Employee
• Casey Childs as Receptionist (voice)
• Rex Linn as Tom Petersen