1. Bathroom Break
When an office at the University opens up, Sheldon (Jim Parsons, left) must compete for it with his archenemy, Kripke (John Ross Bowie, center). Meanwhile, a gift from Amy makes Penny uncomfortable, on THE BIG BANG THEORY. Also pictured: Joshua Malina as President Seibert (right). Photo: Sonja Flemming/CBS ©2012 CBS Broadcasting Inc. All Rights Reserved.