As a joke, Sheldon and Penny try an experiment designed to make participants fall in love. Also, Leonard, Amy, Raj and Emily spend the evening trying to escape a room with a "zombie." And, after returning from Mrs. Wolowitz' funeral, Bernadette and Howard run into trouble at the airport.moreless
Raj's brings his new girlfriend over to meet the gang, but she seems standoffish with Penny, who tries to figure out why. Meanwhile, the guys put their heads together to try to re-open Stuart's comic book store.moreless
In the Season 8 premiere, Amy and Leonard take a surprise road trip to Arizona to retrieve Sheldon, while Penny goes on a job interview at Bernadette's company, and Howard has problems wrapping his head around Stuart's relationship with Mrs. Wolowitz.moreless
When the boys were playing charades, Sanjay Finds out that theirs more freedom when taking off your shirts, So the boys go around town not wearing their shirts.
The Big Bang Theory's Kunal Nayyar lets Ryan teach him about women and rocks out with Wayne and Brad, while Colin has to put up with mail-order bride Brad, masochist Wayne, and commando Ryan on the news.moreless
In the Season 7 finale, Sheldon gets caught up in all the life-altering changes going on around him and considers a monumental move.
A trying day at the movie shoot leaves Penny with questions about her life choices, so she decides to act on it; and caring for a bedridden Mrs. Wolowitz proves a challenge for Howard and Bernadette. Meanwhile, Sheldon offers relationship advice to Raj after he sees Emily at the movies with another man.moreless