VIDEO: Sneak Peek - Season Finale of CBS's THE BIG BANG THEORY

On the seventh Season Finale of CBS's THE BIG BANG THEORY titled 'The Status Quo Combustion,' Sheldon is forced to confront an uncertain future and considers a major move. Meanwhile, Raj and Emily take it to the next level, and Mrs. Wolowitz's injury is a major headache for Howard and Bernadette.

The episode airs Thursday May 15 (8:00-8:31 PM, ET/PT) on the CBS Television Network. Get a sneak peek below!

Leonard and Sheldon are brilliant physicists – geniuses in the laboratory, but socially challenged everywhere else. Enter beautiful, street-smart neighbor, Penny, who aims to teach them a thing or two about life. Despite their on-again, off-again relationship in the past, Leonard believes he's found true love with Penny. Even Sheldon has found a female companion, entering into a "Relationship Agreement" with neurobiologist Amy Farrah Fowler. In their free time, Leonard and Sheldon continue to enjoy frequent trips to the comic book store and fantasy role-playing games with their ever-expanding universe of friends, including fellow scientists Koothrappali, Wolowitz and Wolowitz's adorable microbiologist wife, Bernadette.

VIDEO: Sneak Peek - Season Finale of CBS's THE BIG BANG THEORY