Sheldon and Amy's wedding is just days away, with all their friends handling everything for them so that they can focus on what they need to. Something unexpected happens ...

Sheldon learns that his mother will not be attending his and Amy's wedding unless Sheldon invites his older brother, Georgie (who now prefers to be called George), which ...

Sheldon is generally all right with the notion that his current work on black holes can never be duplicated in an experiment and thus never be definitively proven. When L ...

Sheldon's comic book store experience changes when writer Neil Gaiman puts Stuart's store on the map; friendships are threatened when Koothrappali takes credit for Penny' ...

The guys and the girls are having their own individual gatherings this weekend. Penny is organizing Amy's bachelorette party. Amy is expecting it to be a wild and crazy t ...

Because of something that happens associated with the building that they are not too happy about, Leonard, Penny and Amy not only learn that Sheldon is the President of t ...

Penny informs her friends that she has been asked by her company to be Bill Gates' guide when he comes for a visit. Despite especially Leonard, but also Howard and Raj's ...

Amy and Sheldon, more precisely Sheldon has finally decided on a wedding date, which is only two months away. Among the things they have to do now is decide on a venue. D ...

Bernadette's due date has come and gone with no sign of her and Howard's baby boy anywhere close to being in sight much to her chagrin. While Howard, who has already done ...

The reboot of the Professor Proton show with Wil Wheaton assuming the titular role from the now-deceased Arthur Jeffries has just started airing. Sheldon wanting to be Pr ...

Raj meets a girl at the Planetarium, but soon after finds out she is married. Sheldon rents out his old room to use for his work. ...

In Raj, Amy and Leonard celebrating some professional successes however small, it comes to light that Sheldon is currently working on nothing, which is bothering him. As ...

Sheldon and Amy pick their best-man and maid of honor by experimenting on the gang. Meanwhile, Leonard's self-confidence is still badly damaged after reading his brother' ...

Raj and Howard's feud continues as the gang plan Halley's first birthday party. Sheldon's surprise for Amy's birthday goes awry when they get food poisoning. ...

Raj blows yet another job interview, this one at a planetarium. Raj's father believes that Raj's lack of confidence is primarily due to his friendship with Howard, who is ...

Sheldon tries to teach the other guys a lesson after they cut him out of a potentially valuable Bitcoin investment seven years ago. ...

When Leonard and Howard find out that Sheldon worked with the military behind their backs, they are furious and ask Kripke to help them, much to Sheldon's annoyance. Mean ...

Bert asks Sheldon to collaborate on a project on dark matter where Bert requires some math expertise. Sheldon neither wants to admit to anyone that he is interested in Be ...

Sheldon learns that the Professor Proton show is being resurrected. He believes that he would make the perfect twenty-first century Professor Proton, a character he loves ...

Amy and Howard work in the lab together causing Sheldon, Bernadette and Raj to feel jealous and lonely. Penny starts using a parenting book to control Sheldon's behavior. ...

Howard and Bernadette are disappointed when they find out the sex of the baby. Leonard is annoyed when his mother befriends Penny. ...

Sheldon and Amy are in the midst of wedding planning, Sheldon wanting to ensure that everything is to his specification. He's narrowed the actual wedding day to one of ei ...

On the university's want for more funding for the Physics Department, they've asked Leonard to appear on Ira Flatow's show on NPR to give the department some profile. The ...

Following Ramona kissing him, Sheldon has flown to New Jersey to ask Amy to marry him in the realization that he wants Amy to be the only woman ever to kiss him. Before d ...

Amy has now started her summer research stint at Princeton. Much to Leonard's chagrin, he has reassumed many of the responsibilities for Sheldon that Amy had taken over w ...

Leonard, Sheldon and Howard, along with their closest friends and loved ones, are celebrating the near completion of the first phase of the military project, the three re ...

An event demonstrates to Sheldon that his cognitive abilities are weakening. This thought dismays him for many reasons, including the fact that his time to come up with a ...

Bert announces that he has met who he believes is his soul mate, a woman named Rebecca. The gang invites Bert and Rebecca to dinner at Leonard and Penny's so that they ca ...

Much to Amy, Leonard and Howard's chagrin, Sheldon boasts that he can work on their two separate projects in the same time that the three of them are working on one. That ...

Raj has now moved in with Leonard and Penny. Instead of a roommate for both of them, what Raj becomes is Penny's closest girlfriend, with Leonard feeling left out. It's n ...

Raj has posted on social media that he can no longer afford his apartment and is looking for a cheaper place to live. Independent of each other, both Howard and Bernadett ...

Sheldon, Leonard and Howard are looking over Raj's finances now that he has made the decision not to live off of his father. Despite Raj holding a good and steady job, hi ...