The Big Bang Theory

Leonard and Amy make an unexpected trip to Arizona to fetch Sheldon; Penny interviews for a job at Bernadette's company;…

Sheldon is forced to teach a class as a Junior Professor and Howard decides to enroll in it. Meanwhile, Amy plays both s…

Wolowitz feels nervous when he is asked to throw the first pitch at a Los Angeles Angels game. Penny and Leonard want to…

Raj's honesty comes back to haunt him when his new girlfriend is unfriendly to Penny. The guys think about becoming part…

The girls head to Las Vegas for some weekend fun, while the guys try to invent something cool, but only come up with new…

Sheldon and Raj test whether they could survive a dark-matter research expedition in a salt mine by simulating the condi…

The guys try to help Penny out of an awkward work dilemma, when a smitten doctor shows up at her door after her flirtati…

The girls decide to re-enact their high school proms with the guys. While Sheldon feels under pressure to commit to his …

When Leonard gets minor surgery on his nose, Sheldon is the one in need of sympathy. Meanwhile, Raj's parents' impending…

While Sheldon says a tearful goodbye to the final installment of "Fun with Flags", Leonard, Howard and Raj search for so…

Leonard and Howard turn to Raj for help in dealing with a work emergency when they nearly come to blows after blaming ea…

Howard tries to distract Raj, who is anxiously awaiting data from a space probe he helped launch. Meanwhile, Sheldon and…

When Sheldon becomes stuck in a rut with his work, the gang tries to help him by raising his stress levels. Howard tease…

Leonard and Sheldon publish a paper which is widely accepted except for comments from an internet troll. Meanwhile, the …

Howard receives some shocking news as everyone prepares for the reopening of Stuart’s comic book store. Penny teaches Sh…

As a joke, Sheldon and Penny try an experiment designed to make participants fall in love. Meanwhile, Leonard, Amy, Raj …

A trip to the pet store ends in a fight after Amy learns Sheldon has applied for a one-way mission to colonize Mars. Mea…

Friction ensues when a magazine fails to mention Leonard in an article about the paper he co-wrote with Sheldon. Also, a…

When Leonard and Sheldon are invited to speak at UC Berkeley, they take a detour to try to meet an idol. Also, when Bern…

When Sheldon and Amy build a blanket fort, they come to major crossroads in their relationship. Also, Howard meets the h…

When Raj is asked to create a message in case a NASA mission discovers alien life, the guys fight over what he should do…

Howard questions his engineering abilities when he and Sheldon can’t get a toy drone to fly. Meanwhile, a cancelled flig…

Personalities collide when Sheldon and Leonard’s mothers finally meet. Meanwhile, Howard finally decides to “man up” and…

As Sheldon presses Leonard and Penny to set a wedding date, he encounters major changes in his own relationship with Amy…