Provider: Eastern (ET) Change
Sheldon and Koothrappali confide in Bernadette when they can't handle Amy and Wolowitz working together. Meanwhile, Penny and Leonard learn new tactics on how to deal with Sheldon and they come from an unlikely source.
Leonard fails to stop Sheldon from overreacting after a past slight comes to light, and as punishment Leonard must walk a mile in Sheldon's shoes. Meanwhile, Penny has a run-in with Raj's former girlfriend, Lucy.
When Sheldon's accidental scientific discovery is disproved, Amy and Leonard try to help him deal with the shame and the disappointment. Meanwhile, Howard and Bernadette open their home to Raj for a week.
Aspiring actress Penny lands a role on "NCIS" and when things don't go as planned, Leonard steps in to help her, prompting Penny to pose an important relationship question to him. Meanwhile, Sheldon works on becoming funny and Raj steps up his "game" when (more…)
Amy has amour on her mind when she talks Sheldon into a romantic Valentine's Day getaway to Napa Valley wine country. Back at home, Leonard and Penny make an emergency visit to the vet with Raj's dog.
Leonard's purchase of a dining-room table for the apartment doesn't sit well with Sheldon, so much so that it forces him to reevaluate his life. Meanwhile, Bernadette isn't quite over the moon about Howard taking another trip to space.
Things turn rocky between Sheldon and Wolowitz after a barrage of insults, and Bernadette steps in to mediate a peace. Meanwhile, Penny is offered a movie role that may prove embarrassing, and Raj asks Amy to play Cyrano de Bergerac and pen a note to a wom (more…)
Howard and Sheldon tour NASA in Houston and pay a visit to Sheldon's mother, who greets him with a surprise. Meanwhile, back at home, Raj surprises the rest of the gang with a murder-mystery game-playing evening that's not the killer party he expected it t (more…)
Raj and Emily double-date with the Wolowitzes, and Howard becomes flushed with embarrassment after Emily reveals a secret she knows about him. Meanwhile, Sheldon is at loose ends when he believes he's wasted his career trying to prove string theory.
Leonard reinstates "Anything Can Happen Thursday," and it leads the regimented Sheldon to attempt something spontaneous, which creates friction among Penny, Amy and Bernadette. Meanwhile, Raj requests help from Howard in prepping for a date with Emily.
A grief-stricken Sheldon receives counseling from his childhood TV idol, Prof. Proton (Bob Newhart), while Penny and Leonard reach a relationship milestone and turn it into a competition and Bernadette and Amy turn "Star Wars Day" into a special event for (more…)
A trying day at the movie shoot leaves Penny with questions about her life choices, so she decides to act on it; and caring for a bedridden Mrs. Wolowitz proves a challenge for Howard and Bernadette. Meanwhile, Sheldon offers relationship advice to Raj aft (more…)
In the Season 8 premiere, Amy and Leonard take a surprise road trip to Arizona to retrieve Sheldon, while Penny goes on a job interview at Bernadette's company, and Howard has problems wrapping his head around Stuart's relationship with Mrs. Wolowitz.
A nervous Wolowitz is thrown for a loop when NASA asks him to toss out the first pitch at a Los Angeles Angels baseball game. Meanwhile, Sheldon brags that he and Amy are a better couple than Leonard and Penny, so they set out to prove he's way off base.
Amy and Bernadette accuse former party girl Penny of becoming a party pooper when she lets an email from work impact their girls' weekend in Las Vegas. Meanwhile, the guys brainstorm about inventing something cool, but their heads just don't appear to be t (more…)
Sheldon and Raj undertake an underground research expedition that turns into a test of how long before they get under each other's skin. Meanwhile, Leonard and Penny argue about money, and go to Wolowitz and Bernadette for advice.