When the key witness in a homicide ends up dead while being held for questioning by the police, Gordon suspects that it’s an inside job and looks to an old…

Sheldon pushes Leonard and Penny to choose a date for their wedding and deals with dramatic changes in his own relationship with Amy.

Personalities collide when Sheldon and Leonard’s mothers finally meet. Meanwhile, Howard finally decides to “man up” and do his fair share of the housework – but not without a little…

Wolowitz questions his engineering abilities when he and Sheldon can’t get a toy drone to fly. Meanwhile, a cancelled flight nearly prevents Leonard from giving the commencement address at his…

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

In an attempt to get his job back, Gordon seeks to capture Jack Gruber, a deranged electrical genius who escapes Arkham Asylum. Meanwhile, Falcone struggles to hold onto his empire…

When Sheldon and Amy build a blanket fort, they come to major crossroads in their relationship. Also, Wolowitz meets the half-brother he never knew he had, and when Penny is…

When Leonard and Sheldon are invited to speak at UC Berkeley, they take a detour to try to meet an idol. Also, when Bernadette and Howard battle over the fate…

Circumstances change after an unexpected arrival from north of the Wall. Dany must face harsh realities. Bran learns more about his destiny. Tyrion sees the truth about his situation.

Friction ensues when a magazine fails to mention Leonard in an article about the paper he co-wrote with Sheldon. Also, a blackout at Mrs. Wolowitz’s home leads to a final…

Trouble arises when Amy learns Sheldon has applied for a one-way mission to colonize Mars. Also, a trip to the pet store ends in a fight for Sheldon and Amy,…

Gordon’s assignment at Arkham Asylum gets off to a rocky start when the murder of a guard ignites an investigation, leading him to meet Dr. Leslie Thompkins. Cobblepot continues to…

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…

Wolowitz receives some shocking news as everyone prepares for the reopening of Stuart’s comic book store. Penny teaches Sheldon how to “let it go,” but can’t follow her own advice…

Leonard and Sheldon publish a paper which is widely accepted except for comments from an internet troll. Meanwhile, the girls reminisce about embarrassing incidents from their past.

The gang tries to help Sheldon when he becomes stuck in a rut at work by increasing his anxiety level. Howard teases Raj with a new game called “Cinnamon or…

Following a misstep, Gordon is reassigned to duty at Arkham Asylum. Meanwhile, Selina leads a new friend on a perilous journey through Gotham to evade the assassins after her.

Wolowitz tries to distract Raj, who is anxiously awaiting data from a space probe he helped launch. Meanwhile, Sheldon and Leonard go dress shopping with Penny and Amy.

Jon Snow and the Night’s Watch face a big challenge.

Leonard and Howard turn to Raj for help in dealing with a work emergency when they nearly come to blows after blaming each other for a potential disaster at the…

As derby day arrives, Tommy is faced with impossible decisions as he plans to strike back at his enemies and take the family business to another level. Meanwhile, Major Campbell…

While Sheldon says a tearful goodbye to the final installment of “Fun with Flags”, Leonard, Howard and Raj search for something significant in a dead professor’s research. And Bernadette is…

When Leonard gets minor surgery on his nose, Sheldon is the one in need of sympathy. Meanwhile, Raj’s parents’ impending divorce causes Howard and Bernadette to work on their own…

Trying to close the Wayne murder case, a young Harvey Dent and Gordon team up, much to Mayor James’ chagrin. Meanwhile, Penguin makes contact with Mooney’s secret weapon, Liza.

When the gang recreates a high-school prom night on the roof of the guys’; apartment building, Sheldon feels pressure to participate in all the typical romantic traditions.

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

Sheldon and Raj test whether they could survive a dark-matter research expedition in a salt mine by simulating the conditions in a steam tunnel deep underground. Leonard and Penny seek…

During their weekend in Las Vegas, Bernadette and Amy accuse Penny of being a buzz kill. The guys try to invent the next big thing.

Unexpected visitors arrive in Mole’s Town. Littlefinger’s motives are questioned. Ramsay tries to prove himself to his father. Tyrion’s fate is decided.

Gordon and Bullock investigate a Gothamite who runs a deadly fight club for candidates applying to work at his financial firm. Bruce returns to school and gets a visit from…

Raj’s honesty comes back to haunt him when his new girlfriend is unfriendly to Penny. The guys think about becoming part owners in Stuart’s store.

Arthur and Michael both end up arrested and imprisoned. As Tommy’s base in London is obliterated. Major Campbell has Tommy and his family under his thumb. Polly compromises herself hoping…

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

When Sheldon must teach a class, Howard decides to take it. Amy takes advantage of the tension between Penny and Bernadette.

Leonard and Amy make an unexpected trip to Arizona to fetch Sheldon; Penny interviews for a job at Bernadette’s company; Stuart’s relationship with Mrs. Wolowitz disturbs Howard.

As violence between Maroni and Falcone continues to escalate, Penguin reveals a new element of his manipulative strategy, forcing Gordon to deal with the consequences of his decision to spare…

Tyrion gains an unlikely ally; Daario asks Dany to allow him to do what he does best; Jon’s warnings about the vulnerability of the Wall are ignored; Brienne follows a…

When a killer begins targeting the first born of Gotham’s elite, Bullock is forced to confront traumatic memories from a nearly identical case he worked in the past. Gordon is…

Arthur leads the Peaky Blinders takeover of London’s Eden Club. Sabini decides to put old feuds to one side, convincing Alfie to one side to get rid of the Peaky…

Wes, Connor, Michaela and Laurel may have dug themselves in too deep a hole for Annalise to save them, and the shocking truth about Lila’s murder is finally revealed.