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 ...

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 ...

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 ...

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

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. ...

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 ...

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 ...

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 ...

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

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 ...

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. ...

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' ...

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 ...

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. ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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' ...

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 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 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 ...