Sheldon is rescued from his soul-searching cross-country train trip (older but no wiser) and that means The Big Bang Theory gang's all here to spread another gear's cheer as TV's most attended laugh seminar. Enrol in the comic curriculum to observe Leonard's minor surgery, which signals a major catastrophe for Sheldon, Howard's obsession over his mum's relationship with friend-turned-freeloader Stuart and the unexpected results of Penny's technique as a pharmaceutical sales rep. Discover ways to re-create proms not attended or holiday celebrations not especially beloved and play a new game based on Raj's dating life. Savour online fan Fiction by Amy, watch Bernadette take indelicate command of some delicate family matters and, who knows, you might spot a cool special guest or two.

Season 8 Episode 23 - The Maternal Combustion

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 help from his friends. Air Date : 30th-Apr-2015

Season 8 Episode 1 - The Locomotion Interruption

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. Air Date : 22nd-Sep-2014  Read More

Season 8 Episode 2 - The Junior Professor Solution

Sheldon is forced to teach a class as a Junior Professor and Howard decides to enroll in it. Meanwhile, Amy plays both sides when tension arises between Penny and Bernadette. Air Date : 22nd-Sep-2014  Read More

Season 8 Episode 3 - The First Pitch Insufficiency

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 and Amy are the better couple. Air Date : 29th-Sep-2014  Read More

Season 8 Episode 4 - The Hook-Up Reverberation

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. Air Date : 6th-Oct-2014  Read More

Season 8 Episode 5 - The Focus Attenuation

The girls head to Las Vegas for some weekend fun, while the guys try to invent something cool, but only come up with new ways to procrastinate. Air Date : 13th-Oct-2014  Read More

Season 8 Episode 6 - The Expedition Approximation

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. Meanwhile, Leonard and Penny seek advice from Howard and Bernadette after they fight about money. Air Date : 20th-Oct-2014  Read More

Season 8 Episode 7 - The Misinterpretation Agitation

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 well. Meanwhile, Amy and Bernadette argue over whether or not female scientists should play up their sexuality. Air Date : 30th-Oct-2014  Read More

Season 8 Episode 8 - The Prom Equivalency

The girls decide to re-enact their high school proms with the guys. While Sheldon feels under pressure to commit to his relationship with Amy, Howard worries about who Stuart will bring as his date. Air Date : 6th-Nov-2014  Read More

Season 8 Episode 9 - The Septum Deviation

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 marriage. Air Date : 13th-Nov-2014  Read More

Season 8 Episode 10 - The Champagne Reflection

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 finds out what her colleagues really think of her. Air Date : 20th-Nov-2014  Read More

Season 8 Episode 11 - The Clean Room Infiltration

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 university. Amy throws an authentic Victorian Christmas party, while Sheldon seeks revenge on her for making him celebrate the holidays. Air Date : 11th-Dec-2014  Read More

Season 8 Episode 12 - The Space Probe Disintegration

Howard 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. Air Date : 8th-Jan-2015  Read More

Season 8 Episode 13 - The Anxiety Optimization

When Sheldon becomes stuck in a rut with his work, the gang tries to help him by raising his stress levels. Howard teases Raj with a game called "Emily or Cinnamon?" Air Date : 29th-Jan-2015  Read More

Season 8 Episode 14 - The Troll Manifestation

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. Air Date : 5th-Feb-2015  Read More

Season 8 Episode 15 - The Comic Book Store Regeneration

Howard 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 after she learns something infuriating about Amy. Also, Leonard and Raj think they spot Nathan Fillion at a restaurant. Air Date : 19th-Feb-2015  Read More

Season 8 Episode 16 - The Intimacy Acceleration

As a joke, Sheldon and Penny try an experiment designed to make participants fall in love. Meanwhile, 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. Air Date : 26th-Feb-2015  Read More

Season 8 Episode 17 - The Colonization Application

A trip to the pet store ends in a fight after Amy learns Sheldon has applied for a one-way mission to colonize Mars. Meanwhile, Leonard surprises Penny with a very "adult" purchase, and Raj gets into trouble when he snoops around Emily's apartment. Air Date : 5th-Mar-2015  Read More

Season 8 Episode 18 - The Leftover Thermalization

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 family dinner in her honor. Air Date : 12th-Mar-2015  Read More

Season 8 Episode 19 - The Skywalker Incursion

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 of his Doctor Who TARDIS, Raj and Amy offer to settle the dispute with a game of ping pong. Air Date : 2nd-Apr-2015  Read More

Season 8 Episode 20 - The Fortification Implementation

When Sheldon and Amy build a blanket fort, they come to major crossroads in their relationship. Also, Howard meets the half-brother he never knew he had. Meanwhile, Penny is invited to appear on Wil Wheaton’s podcast, but things turn awkward when Leonard joins them. Air Date : 9th-Apr-2015  Read More

Season 8 Episode 21 - The Communication Deterioration

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 for a movie or keeping her successful pharmaceutical sales job. Air Date : 16th-Apr-2015  Read More

Season 8 Episode 22 - The Graduation Transmission

Howard 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 former high school, and Raj pits his parents against each other when his father cuts him off financially. Air Date : 23rd-Apr-2015  Read More

Season 8 Episode 23 - The Maternal Combustion

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 help from his friends. Air Date : 30th-Apr-2015  Read More

Season 8 Episode 24 - The Commitment Determination

As Sheldon presses Leonard and Penny to set a wedding date, he encounters major changes in his own relationship with Amy. Meanwhile, Raj contemplates breaking up with Emily, and Howard and Bernadette struggle with asking Stuart to move out of their house. Air Date : 7th-May-2015  Read More