Episode 11: The Opening Night Excitation Now

The return of Bob Newhart as Arthur Jeffries (Professor Proton) in the form of a "Force Ghost" serves as Sheldon’s subconscious moral compass, pushing him to realize that "being with [Amy] is more important" than a movie.

Sheldon and Amy consummating their relationship after five years of dating. Episode 11: The Opening Night Excitation

Leonard, Howard, and Raj attending the premiere of Star Wars: The Force Awakens . The return of Bob Newhart as Arthur Jeffries