S12, E13: Two physicists prove Amy and Sheldon's super asymmetry theory, their happiness spoiled by attempts to kick Amy off the Nobel nomination; Bernadette experiences a big success at work.

Starring Joshua Malina, Sean Astin, Kal Penn

S12, E13: Two physicists prove Amy and Sheldon's super asymmetry theory, their happiness spoiled by attempts to kick Amy off the Nobel nomination; Bernadette experiences a big success at work.