Storm-chasers (Helen Hunt, Bill Paxton) finalizing their divorce try to place equipment inside a tornado on the Oklahoma plains.

Carl allows Steve to decorate the Winslow house for the Christmas display contest.

Steve must learn how to ride a bike in order to go on a class trip with Myra.

Sheldon gets into trouble with fellow child genius Paige at the science museum; George Sr. is forced to play therapist to Paige's bickering parents; Mary, Georgie and Missy help Meemaw with a garage sale.

A video game takes over Sheldon and Meemaw's life; George Sr. is jealous when Georgie bonds with Herschel at the auto shop.

Sheldon studies his family for a psychology project; a Thanksgiving dinner turns into a family fight when George Sr. is offered a job in Oklahoma.

When Sheldon learns that people with stunted childhoods can turn into social outcasts, he tries to act like a kid; Meemaw and Dr. Sturgis' relationship is tested when she teaches him how to drive.

Sheldon experiments on Missy; Georgie joins Mary's bible study to spend more time with his crush, Veronica.

When Sheldon has to spend a few days in the hospital, he turns into the world's worst patient; Missy gets a taste of what life would be like without her twin.

Chandler wants his annoying new roommate (Adam Goldberg) to move out; Joey is facing some exorbitant bills; the girls learn from a book about personal empowerment.

Monica's boyfriend proves to be the life of the party when he attends a basketball game with Chandler and Joey.

Two bullies (Peter DeLuise, Nicky Katt) banish Ross and Chandler from Central Perk; Monica plays the stock market.

Rachel's separated parents (Marlo Thomas, Ron Leibman) unexpectedly attend her surprise birthday party.

Phoebe's romantic meeting with an old friend (Charlie Sheen) is stalled by a case of the chickenpox; Ben celebrates his first birthday; Monica frets about her relationship with Richard (Tom Selleck).

Claire prepares to make the Dunphy house spooky for Halloween; Cameron does not like the holiday because of a traumatic childhood experience; Jay and Manny tease Gloria about her accent.

Claire must rein in her enthusiasm for Halloween and keep her celebration kid-friendly; Phil decides to hold an open house on Halloween; Mitch and Cam have a costume party; Gloria's hormones make her more quick-tempered than usual.

When Claire lets Phil take charge of Halloween, he decides to do something different than her usual fright-fest theme; Jay wants to be Prince Charming for Halloween -- complete with a full head of hair; Cam becomes overwhelmed.

The Dunphys try to kick-start Luke's Halloween party; Cam confronts his Halloween nemesis; Jay plans to go to a party at an old enemy's home to deliver an unforgettable trick.

Phil and Claire start to question their enthusiasm for Halloween when no one else seems to feel the same; Mitch confronts Jay about how long the kitchen remodel is taking; Cam oversteps his boundaries as a house guest.

The families celebrate another epic Halloween and receive huge, unexpected news.

Phil is determined to scare Claire on Halloween; Gloria feels self-conscious about her age when someone correctly assumes she is Jay's wife; Mitch and Cam go to the WeHo Halloween Carnival after Lily decides to go to her first Halloween party alone.

Leonard, Sheldon, Wolowitz and Koothrappali attend Penny's Halloween party.

An attractive comic book artist tests Leonard and Priya's relationship; Sheldon tries to scare his friends.

The gang heads to Stuart's comic book store to celebrate Halloween; Leonard uses science to seduce Penny.

As the guys don costumes and go on a road trip to a comic book convention, the ladies decide to stay home and try to interpret a comic book.

Sheldon is faced with a new reality when he visits his mom in Houston; a murder mystery party starts arguments.

Sheldon gives spontaneity a try, which causes unexpected friction for Penny, Bernadette and Amy; Raj asks Howard for help with preparation for a date with Emily.

Penny and Sheldon design an experiment -- as a joke -- to make participants fall in love; Howard and Bernadette get into trouble at the airport.

When Wolowitz dresses up as Sheldon for Halloween, Sheldon seeks retaliation at Leonard and Penny's Halloween party; Leonard is shocked when Penny doesn't remember their first kiss.

Armed with proton packs and plenty of attitude, four women (Melissa McCarthy, Kristen Wiig, Leslie Jones, Kate McKinnon) prepare for an epic battle as mischievous ghosts start to wreak havoc in New York.

After a bad day at work, a frustrated reporter meets God, who endows him with divine powers for one week.

Armed with proton packs and plenty of attitude, four women (Melissa McCarthy, Kristen Wiig, Leslie Jones, Kate McKinnon) prepare for an epic battle as mischievous ghosts start to wreak havoc in New York.

Murr and Q are going on a trip down memory lane and watching extended never-been-seen-before clips from the last few years.

Sal, Q and Murr kick off another season of antics by getting themselves stuck in a vent system and confusing customers at a bagel shop; our losing Joker will face humiliation in a punishment that's tough to swallow.

The Jokers are back working as dry cleaners and TV producers, but one of them can't keep it together and must endure concertgoers who have escaped their enclosures.

The Jokers are locked in a supply closet and must decide who's endured the worst punishments to escape; as they argue over physical, embarrassing, and personal punishments, old clips resurface, and tensions rise.

The Jokers face off by recording voiceover for a fake video game and playing the concerned parent writing to their kid's school; but one Joker burns out with a punishment that's gotta sting.

Joey Fatone interviews the Jokers for a fake documentary; the guys react to an overly emotional phone call for an underwhelming reason; one Joker checks out and is forced into being the world's worst grocery store employee in his punishment.

The Jokers hit the grocery store aisles dressed in absurd disguises, then train someone in using aggressive phone tactics for charity donations. The losing Joker must subject themselves to scientific probing into their hidden emotions.

The Jokers can't contain the laughs as they answer survey questions for a new snack food and present the world's worst pharmaceutical ads; the loser will work up a sweat in a punishment that's all pain, no gain.

After seeing an online video of his Fizbo costume being desecrated, Cam sets out to restore the character's good name; Phil meets his soon-to-be stepbrother; Manny enlists Gloria, Claire and Haley to do a read-through of his newest play.

NBA stars Charles Barkley and DeAndre Jordan attend the charity basketball game Phil is playing in; Gloria's nemesis tries to shame her for lack of support at Manny's school; Claire tries to keep a work mistake secret from Jay.

Mitchell accidentally knocks over an urn containing the ashes of Cam's beloved pet pig, Lilly; Cam tries to catch Mitchell in a lie.

Mitch and Cam fight the effects of sleeping pills while rushing to catch a flight; Haley and Rainer re-evaluate their relationship; Phil and Claire meet Alex's new boyfriend when they pay her a surprise visit.

Rachel is a bridesmaid at her ex-fiancé's wedding; she has flashbacks of her own failed wedding day; Monica and Richard's relationship is jeopardized when the subject of children is discussed.

Monica is distraught after her break-up with Richard; Chandler and Janice begin seeing each other again; Ross tells Rachel and Chandler about his "Princess Leia" fantasy.

In a race against the clock, Ross tries to get the gang dressed and ready for a black-tie benefit at the museum.

Phoebe dates a man who thinks he's stalking her twin sister, Ursula; Ross and Rachel give Chandler "boyfriend" lessons.

Chandler tries to get over his fear of commitment; Phoebe poses as Joey's agent after she forgets to tell him about an audition.

Phoebe tries to bond with her half brother, Frank Jr., by offering to buy a massage; Ross spots Isabella Rossellini; Joey tries to build an entertainment center.

When Janice asks the gang if any of them have ever slept together, the friends flash back to three years earlier.

Joey sees Janice kissing her husband, whom she is divorcing while she dates Chandler; Rachel's father clashes with Ross.

Chandler is devastated after Joey tells him he saw Janice kissing her ex-husband; Monica accidentally bumps Ben's head into a post when she and Rachel babysit; Phoebe is paranoid if she goes to dentist someone she knows will die.

Emotions become the feast of the day when the gang plays a game of touch football on Thanksgiving; the turkey is left stewing when the losing team calls for a rematch.

After a bad day at work, a frustrated reporter meets God, who endows him with divine powers for one week.

Worlds collide when the Flash travels back in time to change the events of the past. However, when his attempt to save his family alters the future, he becomes trapped in a reality in which General Zod has returned, threatening annihilation.

Black Manta wields the power of the mythic Black Trident to unleash an ancient and malevolent force. Hoping to end his reign of terror, Aquaman forges an unlikely alliance with his brother to protect their kingdom and save the world from destruction.

Aquaman must retrieve the legendary Trident of Atlan to save the underwater city of Atlantis -- and the surface world -- from his power-hungry brother.

Aquaman must retrieve the legendary Trident of Atlan to save the underwater city of Atlantis -- and the surface world -- from his power-hungry brother.

Attention shoppers; the Jokers make mischief by taking unflattering pictures of grocery store patrons, then posing as horrible employees at the Yeti store; tonight's loser must meat his fate in a punishment.

The Jokers pretend to be medical students in training with standardized patient actors, then play the hero and break up a public fight, hoping to earn applause; one Joker has to put his hips where his mouth is and settle a bet of his own making.

The Jokers are back working as dry cleaners and TV producers, but one of them can't keep it together and must endure concertgoers who have escaped their enclosures.

The Jokers face off by recording voiceover for a fake video game and playing the concerned parent writing to their kid's school; but one Joker burns out with a punishment that's gotta sting.

Joey Fatone interviews the Jokers for a fake documentary; the guys react to an overly emotional phone call for an underwhelming reason; one Joker checks out and is forced into being the world's worst grocery store employee in his punishment.

The Jokers hit the grocery store aisles dressed in absurd disguises, then train someone in using aggressive phone tactics for charity donations. The losing Joker must subject themselves to scientific probing into their hidden emotions.

The Jokers are locked in a supply closet and must decide who's endured the worst punishments to escape; as they argue over physical, embarrassing, and personal punishments, old clips resurface, and tensions rise.

From being overprotective parents to disclosing perplexing side effects, one Joker can't handle the challenges and will learn that all that glitters is not gold.

Q, Murr and Sal throw and catch grocery items in the Joker vs. Joker challenge with special celebrity guest, Jax.

The Jokers steal America's babies at the mall; while they lie in wait trying to succeed in an impossible task, Sal, Q and Murr hash on some never before seen clips.

Murr and Q are going on a trip down memory lane and watching extended never-been-seen-before clips from the last few years.

Sal, Q and Murr are crashing and burning into product displays and hiding in tight spaces, but one of them must face the music with celebrity guest Bret Michaels.

Rachel wonders if she'll ever get another job after she quits Central Perk; Joey's new job selling Christmas trees upsets Phoebe; Ross accidentally breaks a little girl's leg.

Murr and Q are going on a trip down memory lane and watching extended never-been-seen-before clips from the last few years.

Ross is suspicious about Rachel's possible job offer from a good-looking stranger (Steven Eckholdt); Chandler can't remember which of Joey's many sisters he kissed at a party.

Sal, Q and Murr are crashing and burning into product displays and hiding in tight spaces, but one of them must face the music with celebrity guest Bret Michaels.

Ross becomes jealous when he hears Rachel's new co-worker (Steven Eckholdt) whispering sweet nothings to her.

Two New Yorkers accused of murder in rural Alabama while on their way back to college call in the help of one of their cousins, a loudmouth lawyer with no trial experience.

Ross is suspicious about Rachel's possible job offer from a good-looking stranger (Steven Eckholdt); Chandler can't remember which of Joey's many sisters he kissed at a party.

Ross becomes jealous when he hears Rachel's new co-worker (Steven Eckholdt) whispering sweet nothings to her.

Two New Yorkers accused of murder in rural Alabama while on their way back to college call in the help of one of their cousins, a loudmouth lawyer with no trial experience.

Bestowed with the almighty powers of the gods, Black Adam's unique form of justice, born out of rage, is challenged by modern-day heroes who form the Justice Society: Hawkman, Dr. Fate, Atom Smasher and Cyclone.

Bestowed with the almighty powers of the gods, Black Adam's unique form of justice, born out of rage, is challenged by modern-day heroes who form the Justice Society: Hawkman, Dr. Fate, Atom Smasher and Cyclone.

Aquaman must retrieve the legendary Trident of Atlan to save the underwater city of Atlantis -- and the surface world -- from his power-hungry brother.

Aquaman must retrieve the legendary Trident of Atlan to save the underwater city of Atlantis -- and the surface world -- from his power-hungry brother.

Black Manta wields the power of the mythic Black Trident to unleash an ancient and malevolent force. Hoping to end his reign of terror, Aquaman forges an unlikely alliance with his brother to protect their kingdom and save the world from destruction.

Black Manta wields the power of the mythic Black Trident to unleash an ancient and malevolent force. Hoping to end his reign of terror, Aquaman forges an unlikely alliance with his brother to protect their kingdom and save the world from destruction.

Sheldon goes to work with Amy in her neurobiology lab when the university forces him to take a vacation; Bernadette asks Howard to sign a pre-nup.

Sheldon and his nemesis, Kripke, compete for a corner office; Penny feels uncomfortable after receiving a gift from Amy.

Sheldon's routine is turned upside down when his barber gets sick; Wolowitz questions his decision to go into space.

Sheldon chooses to participate in a guys-only weekend Star Wars gaming marathon rather than go with Amy to her aunt's birthday party; he gets a lesson from Penny and Amy.

When Penny buys Leonard and Sheldon "Star Trek" collectibles, Sheldon finds himself haunted by Mr. Spock; after a blind date, Raj believes he has met his future wife.

When Wolowitz works with Stephen Hawking, Sheldon is determined to meet the famous scientist.

Knowledge of Howard's sexual history makes Bernadette reconsider their future together.

Two New Yorkers accused of murder in rural Alabama while on their way back to college call in the help of one of their cousins, a loudmouth lawyer with no trial experience.

When Wolowitz works with Stephen Hawking, Sheldon is determined to meet the famous scientist.

Knowledge of Howard's sexual history makes Bernadette reconsider their future together.

Two New Yorkers accused of murder in rural Alabama while on their way back to college call in the help of one of their cousins, a loudmouth lawyer with no trial experience.

A newly elected congressman (Steve Carell) faces a crisis of biblical proportions when God (Morgan Freeman) commands him to build an ark.

A newly elected congressman (Steve Carell) faces a crisis of biblical proportions when God (Morgan Freeman) commands him to build an ark.

Waldo's trip south of the border goes awry and lands him in jail.

Steve destroys Carl's garage after mistaking Laura's diet pills for vitamins.

Steve and Carl turn into dual Bruce Lees to protect themselves from thugs.

Steve gets a job at a coffee shop to help pay for repairs on the Winslows' home.

Eddie reluctantly takes ballet lessons to improve his basketball skills.

Urkel becomes a big brother to a fourth-grader who cannot read.

Sheldon attempts to build a nuclear reactor; a university cocktail party gets heated when Dr. Sturgis' colleague flirts with Meemaw; Georgie is heartbroken when he learns Veronica has a boyfriend.

Eddie reluctantly takes ballet lessons to improve his basketball skills.

Sheldon uses his new friendship with the school bully to boss Georgie around; Missy steals Meemaw's makeup for picture day.

Urkel becomes a big brother to a fourth-grader who cannot read.

Sheldon and Dr. Sturgis have their first fight when Dr. Sturgis marks an answer wrong on Sheldon's test; Mary takes over for Pastor Jeff when he's out sick.

Things spiral out of control when Sheldon boycotts his favorite bread company; Georgie offers Veronica a shoulder to cry on when she's dumped by her boyfriend.

Inspired by his hero, Albert Einstein, Sheldon tries his hand at the violin; Mary and Meemaw secretly buy a pregnancy test when Mary thinks she's pregnant.

Sheldon moves in with Dr. Sturgis for the weekend to see what his life will be like in college; a lonely Mary tries to bond with the other Coopers during Sheldon's absence.

Running into Richard at the video store tests Monica's willpower; Joey agrees to read "Little Women.".

Inspired by his hero, Albert Einstein, Sheldon tries his hand at the violin; Mary and Meemaw secretly buy a pregnancy test when Mary thinks she's pregnant.

Phoebe's ex-singing partner wants to make Phoebe's signature song, "Smelly Cat," a commercial success; Chandler dates a woman with a handicap.

Sheldon moves in with Dr. Sturgis for the weekend to see what his life will be like in college; a lonely Mary tries to bond with the other Coopers during Sheldon's absence.

Phoebe can't communicate with her new boyfriend, a UN diplomat who doesn't speak English; Ross seeks solace at a party after a bitter fight with Rachel.

A remorseful Ross tries to prevent Rachel from learning his disturbing secret; Monica, Phoebe, Chandler and Joey spend a night eavesdropping.

Excluded from Rachel's ski trip with her pals, lonely Ross visits his ex-wife (Jane Sibbett); Phoebe's cab runs out of gas and the stranded gang turns to Ross for help.

Phoebe's brother wants to marry a woman twice his age; Monica gets a huge tip from an admirer.

Ross is upset when Rachel returns his personal belongings and dates Mark; Monica dates a millionaire.

Monica's aunt dies and leaves her an antique dollhouse that she doesn't want Phoebe to play with; Rachel regrets making a date for Chandler and her boss, Joanna; Joey's interest in Kate intensifies.

Monica considers accepting a dream job in Pete's new restaurant but fears there is more to the deal; Ross makes a sacrifice for Rachel.

The gang goes to the opening night of Joey's plays; Rachel brings a date (Ben Stiller) to make Ross jealous; Joey's play gets terrible reviews, but his co-star provides some comfort.

Afflicted with a mysterious skin condition, Ross seeks advice from Guru Saj; Monica can't decide about Pete.

To her horror, Monica's boyfriend plans to fight; the friends are intrigued by a conversation between two strangers.

The friends stay at a beach house; Phoebe meets someone who knows details about her family; Rachel expresses her jealousy of Ross' uninhibited girlfriend.

Wedding plans are jeopardized when NASA reschedules Howard's mission; Leonard says something in the bedroom that surprises Penny.

To her horror, Monica's boyfriend plans to fight; the friends are intrigued by a conversation between two strangers.

The gang tries to help Wolowitz and Bernadette get married before the space launch.

The friends stay at a beach house; Phoebe meets someone who knows details about her family; Rachel expresses her jealousy of Ross' uninhibited girlfriend.

Raj faces his loneliness when his friends are out on dates; while in space, Wolowitz gets drawn into a fight between Bernadette and his mom.

Sheldon tries to intervene when he learns that Penny is thinking about breaking up with Leonard; Howard is picked on in space by the other astronauts.

Amy feels threatened by Sheldon's new assistant; Wolowitz starts to feel the pressures of being in space.

Wolowitz's return from space isn't all he expected; game night becomes a gender war.

The gang heads to Stuart's comic book store to celebrate Halloween; Leonard uses science to seduce Penny.

A game threatens Sheldon's relationship with Stephen Hawking; Penny secretly signs up for a college class.

Bernadette wants Wolowitz to move out of his mom's house; Sheldon is caught in the middle of Amy and Wil Wheaton's argument.

Raj and Howard try to figure out why Sheldon disappears at 2:45 every afternoon; jealousy arises in Penny and Leonard's relationship.

Sheldon and Wolowitz's fight over a parking spot at the university impacts the whole gang.

When Amy gets sick, Sheldon tries to nurse her back to health; Wolowitz and his father-in-law plan a fishing trip.

During a game, Sheldon revisits Christmas memories; Amy, Penny and Bernadette look for a date for Koothrappali.

When Sheldon is accused of sexual harassment, he ends up getting Raj, Leonard and Wolowitz in trouble.

As the guys don costumes and go on a road trip to a comic book convention, the ladies decide to stay home and try to interpret a comic book.

Stan goes all out to produce a reenactment of Charles Lindbergh's solo flight for Steve's school project; Klaus buys shoes online, but they get stolen.

When Sheldon is accused of sexual harassment, he ends up getting Raj, Leonard and Wolowitz in trouble.

Hayley takes Roger to a meditation center and he quickly becomes one of the world's leading authorities on meditation; Stan and Steve are taught the art of making sushi.

As the guys don costumes and go on a road trip to a comic book convention, the ladies decide to stay home and try to interpret a comic book.

Stan is embarrassed when a painting of Francine's genitals, done by a famous artist, is unveiled at the museum; Steve's libido is compromised after seeing the portrait.

Stan gets upset at the idea of becoming a grandfather after Hayley and Jeff announced they're trying to have a baby; Steve and Klaus join a drug gang.

Roger agrees to give birth to Jeff so he can be human again; Steve secretly signs Snot up for a makeover.

The Smith's rescue Steve after he's kidnapped and taken to the North Pole, where Santa Claus is using children to mine for precious stones needed for an ancient ritual.

Francine becomes less attracted to Stan when he gets involved with slot car racing; Roger becomes a stewardess to perform comedy routines on planes, but gets upset when another stewardess ends up being funnier than him.

Steve and his friends take up witchcraft to gain power and popularity at school; Stan and Klaus become obsessed with remembering '90s bands.

Klaus gets transferred into the navigation system of Stan's car when Stan refuses to pay for life-saving surgery; Steve and his friends prank Roger, who then terrorizes them for revenge.

Francine steals from the CIA and pretends to be a super villain to incite Stan to be more seductive; Roger tricks Hayley and Steve into trapping Jay Leno so he can take revenge.

Laura (Kellie Shanygne Williams) falls under a passionate spell from Steve's (Jaleel White) aphrodisiac.

Klaus gets transferred into the navigation system of Stan's car when Stan refuses to pay for life-saving surgery; Steve and his friends prank Roger, who then terrorizes them for revenge.

Waldo enrolls in tap dancing lessons to improve his agility.

Francine steals from the CIA and pretends to be a super villain to incite Stan to be more seductive; Roger tricks Hayley and Steve into trapping Jay Leno so he can take revenge.

Eddie and Waldo are in for a shock when they go to a bar where they think the Chicago Bears hang out.

Steve and Laura, both dateless for the senior prom, decide to go with each other.

Unhappy that school funds are going toward football rather than academics, Sheldon decides to run for class president.

Eddie and Waldo are in for a shock when they go to a bar where they think the Chicago Bears hang out.

Georgie is thrilled when Veronica stays at the Coopers' house for a few days; Meemaw and Dr. Sturgis celebrate their one-year anniversary.

Steve and Laura, both dateless for the senior prom, decide to go with each other.

The Coopers help Pastor Jeff through a rough patch in his marriage; Sheldon pressures church members for donations when Mary takes him to work for a day.

Sheldon invites the entire school to a party for the Nobel Prize announcements; Meemaw learns more about Dr. Sturgis' past; Georgie's desire for cable TV leads to a standoff between him and George Sr.

After Dr. Sturgis experiences a nervous breakdown, Mary worries Sheldon is headed down a similar path; Georgie discovers he has a knack for sales.

Without Dr. Sturgis' university class, Sheldon must find a new way to stay academically challenged; Mary helps Pastor Jeff avoid temptation with his girlfriend.

Ross dates Rachel again after unwittingly agreeing to take responsibility for their breakup; Phoebe reconciles with her mother; Monica is stung by a jellyfish.

After Dr. Sturgis experiences a nervous breakdown, Mary worries Sheldon is headed down a similar path; Georgie discovers he has a knack for sales.

Phoebe becomes convinced that the spirit of her dead mother is inside a cat; Chandler and Joey are robbed; Monica goes on a date with a guy from her high school.

Without Dr. Sturgis' university class, Sheldon must find a new way to stay academically challenged; Mary helps Pastor Jeff avoid temptation with his girlfriend.

Rachel's boss, Joanna, leaves Chandler in an awkward situation that will require Rachel's help; Monica's catering fiasco.

Joey intervenes when the superintendent, Mr. Treeger, moves to evict Rachel and Monica; Chandler tries to quit a health club.

Chandler falls for a woman who is already involved with Joey; Rachel and Ross play the jealousy game.

Ross starts dating a beautiful but messy co-worker from the museum; Monica and Phoebe cater a sad event.

Chandler faces a tough choice after his passionate kiss with Joey's girlfriend; Rachel has to learn about dining alone.

To atone for kissing Joey's girlfriend, Chandler agrees to stay inside a shipping crate during the Thanksgiving holiday.

Rachel's career is obstructed by her boss, Joanna; Monica faces a big decision; Chandler, Ross and Joey party.

Ross struggles to maintain a long-distance relationship; Chandler's well-intended attempts to get Rachel a date seem to miss the mark; Monica's plan to assert some authority at her new restaurant goes awry.

Phoebe's brother (Giovanni Ribisi) asks her to carry a baby for him and his wife; Chandler gets lessons in love; Joey finds himself in a class struggle.

Phoebe undergoes an embryo implant procedure to become a surrogate mother for her brother (Giovanni Ribisi) and his wife (Debra Jo Rupp); Monica and Rachel wager their apartment in a trivia game against Chandler and Joey.

Chandler has a hard time handling Kathy's new role, in which she pretends to have sex with a handsome man; Rachel is attracted to a customer when she's demoted to personal shopper; Monica decides that Joey's new place is built for entertaining.

Sheldon faces a crisis of confidence when he is forced to work with his nemesis, Barry Kripke; Raj and Howard buy expensive action figures of themselves.

Phoebe undergoes an embryo implant procedure to become a surrogate mother for her brother (Giovanni Ribisi) and his wife (Debra Jo Rupp); Monica and Rachel wager their apartment in a trivia game against Chandler and Joey.

A fight between Sheldon and Leonard impacts Amy and Penny's living arrangements; while Howard is away, Raj helps Mrs. Wolowitz out.

Chandler has a hard time handling Kathy's new role, in which she pretends to have sex with a handsome man; Rachel is attracted to a customer when she's demoted to personal shopper; Monica decides that Joey's new place is built for entertaining.

The guys search for a perfect Valentine's Day gift for their significant others; Stuart and Raj host a "lonely people" party at the comic book store.

After a bad date, Koothrappali decides to never leave his apartment; Penny's acting skills impress Sheldon.

Leonard, Sheldon and Wolowitz talk to junior high girls about science-related careers; Raj plans a date with Lucy.

Howard considers whether or not he should open a letter from his father; Penny and Leonard host a "grown-up" cocktail party.

The girls get involved when Leonard, Sheldon and Raj compete for tenure at the University.

Amy tries to help Sheldon get over his compulsive need for closure when one of his favorite TV shows is canceled; Raj discovers a secret about Lucy.

Leonard and Sheldon hire the host (Bob Newhart) of their favorite childhood TV show to perform; Bernadette and Howard run into trouble while dog-sitting for Raj's pet.

A look at who will triumph with no one to rely on but themselves, Sergeant Stripper, the Swallower, the Cruise Director, or Dances with Whales.

Amy tries to help Sheldon get over his compulsive need for closure when one of his favorite TV shows is canceled; Raj discovers a secret about Lucy.

Leonard and Sheldon hire the host (Bob Newhart) of their favorite childhood TV show to perform; Bernadette and Howard run into trouble while dog-sitting for Raj's pet.

Phil gets the Dunphy clan to show up in costume for Frank's Roaring '20s-themed wedding; Jay masters the art of saying no; Cam stands up to his sister, Pam.

A look at who will triumph with no one to rely on but themselves, Sergeant Stripper, the Swallower, the Cruise Director, or Dances with Whales.

Gloria, Claire, Haley, Alex, Lily, Luke and Manny show support for gender equality and the women's movement in their own ways; Jay and Phil butt heads over their parking attendant; Cam feels jealous when Pam prefers Mitchell's help with the baby.

Mitch and Jay end up at the same resort when they separately seek out a retreat from the family; Phil and Claire struggle to enjoy empty-nester life; not knowing what to do with himself while Mitch is away, Cam drops in on Gloria.

Jay picks up the pieces after Manny's father takes him out to celebrate graduation; the family prepares for Luke and Manny's big day.

Jay forces the family to take their vacation on a house boat on a lake; Mitchell runs into an old flame; Cam must avoid the sun; Phil and Claire try out some adventurous excursions; the kids' quest for a good time goes awry.

Phil and Claire realize that Alex may be more self-sufficient in college than they thought; Manny works to avoid a tearful goodbye after Gloria and Jay move him into his dorm; Haley gets an unexpected opportunity.

Phil believes he'll have a day of bad luck after failing to successfully complete his daily superstition; Mitch is certain that Cam is undermining him during their kitchen renovation; Jay is determined to get Gloria to admit she was in an accident.

Jay's friend Shorty visits from Costa Rica but spends more time with Gloria than Jay; Alex decides to prove to Claire that her relationship with Ben is a sexual one.

Phil and Claire start to question their enthusiasm for Halloween when no one else seems to feel the same; Mitch confronts Jay about how long the kitchen remodel is taking; Cam oversteps his boundaries as a house guest.

Claire throws a 10th anniversary party for Jay and Gloria; Phil plans a magic trick in which Gloria appears out of thin air in her wedding dress.

Jay gives a Thanksgiving toast that honors the family's successes, although everyone knows it isn't quite true; everyone tries to hide things about their perceived triumphs; Phil works hard to master a magic trick to prove he's not a failure.

The family recount all their biggest celebrity encounters; Phil shows a house to his musical hero; Jay's day at jury duty takes an unexpected turn; Manny's encounter with his favorite playwright doesn't go as expected.

After leaving his real estate firm to strike out on his own, Phil decides a solo camping trip in the wild will be just what he needs to boost his confidence; Mitchell's plan to teach Cam and Lily each a lesson backfires.

When Claire lands a big opportunity for Pritchett's Closets, Jay expects validation for his contribution; Pam's ex-boyfriend shows up and Mitchell sees this as an opportunity to get Pam out of the house; Luke and Alex find a business opportunity.

Claire's request to build a "She Shed" in the backyard is denied by the homeowners association and only Luke and Phil know the real reason why; Pameron lets Cam in on a family secret, which forces him to visit Mitch's therapist.

After Phil experiences intense stomach pains, Gloria has to rush him to the hospital for an emergency surgery and rallies the entire family to be by his side.

Luke goes missing after a night out; Haley is desperate to land an interview for a popular lifestyle website.

Phil thinks that Gloria is upset at Jay for dropping the ball on Valentine's Day, so he convinces Jay to spice things up with a little role playing; Mitch and Cam must make things right when they unwittingly ruin Luke's Valentine's Day date.

Luke goes missing after a night out; Haley is desperate to land an interview for a popular lifestyle website.

Sheldon takes matters into his own hands when Meemaw refuses to drive him to a lecture; Georgie tries to impress Veronica with his new business venture.

Phil thinks that Gloria is upset at Jay for dropping the ball on Valentine's Day, so he convinces Jay to spice things up with a little role playing; Mitch and Cam must make things right when they unwittingly ruin Luke's Valentine's Day date.

Sheldon is forced to take a break from science when his new obsession with "The Lord of the Rings" leads to an unhealthy habit; Missy asks George Sr. to teach her how to play catch.

After being released from the mental hospital, Dr. Sturgis unexpectedly breaks up with Meemaw.

A church carnival leads Missy to try out for the baseball team; Meemaw struggles after her breakup with Dr. Sturgis.

Sheldon starts an internet flame war; Missy stands up to the boys on her baseball team; Meemaw is unhappy when George Sr. spends time with her new boyfriend.

The University makes George Sr. a lucrative job offer in hopes of recruiting Sheldon; Georgie gets a job working for Meemaw's new boyfriend; Mary is determined to rid her home of greed.

Sheldon starts an internet flame war; Missy stands up to the boys on her baseball team; Meemaw is unhappy when George Sr. spends time with her new boyfriend.

A visit to a strip joint fails to cheer up Chandler; Rachel gets Ross to go to an opera; Charlton Heston finds Joey in a compromising position during a movie shoot.

The University makes George Sr. a lucrative job offer in hopes of recruiting Sheldon; Georgie gets a job working for Meemaw's new boyfriend; Mary is determined to rid her home of greed.

Chandler runs into Janice, now divorced, and finds her more irritating than ever; Ross plays rugby to impress Emily; Monica tries to figure out what a mysterious electrical switch in her new apartment does.

Rachel throws Emily a phony going-away party so she can see Joshua outside of work; pregnant Phoebe craves meat.

Ross tells Emily (Helen Baxendale) how he feels about her; Chandler and Joey suddenly receive a free adult TV channel in their apartment; Phoebe gets some surprising news about her pregnancy.

Ross has concerns about Emily's interests; Rachel's plans for Joshua are upset by a late change of venue.

Ross tries to keep Emily from returning to London; Monica and Rachel attempt to win back their apartment.

Monica and Phoebe find life in wedding attire has its charm; Rachel asks Joshua for more spontaneity.

Rachel and Ross reminisce separately about when they dated each other; the friends get invitations to Ross's wedding, but not all of them are going.

After Joey almost loses Ross' wedding ring, Ross asks both Joey and Chandler to serve as his best man; the girls host a baby shower for Phoebe.

Rachel, Monica, Joey, Chandler and Ross go to London for the wedding where Joey meets Sarah Ferguson, the Duchess of York.

Rachel frantically tries to get to London to tell Ross that she loves him before he marries Emily; Ross' parents argue with Emily's parents, Steven and Andrea Waltham.

Ross is distraught over the wedding; Emily punches Ross and flees from the reception; Monica and Chandler try to control their passions.

Monica and Chandler are caught in a passionate embrace but try to prove it was innocent: Ross' wife won't speak to him; Phoebe feels neglected; Rachel appoints Monica as her advisor in romance.

Ross is distraught over the wedding; Emily punches Ross and flees from the reception; Monica and Chandler try to control their passions.

Amy and Sheldon's relationship takes a surprising turn during a game of "Dungeons & Dragons"; Lucy and Koothrappali have an awkward date.

Monica and Chandler are caught in a passionate embrace but try to prove it was innocent: Ross' wife won't speak to him; Phoebe feels neglected; Rachel appoints Monica as her advisor in romance.

When Leonard receives an exciting opportunity to work overseas, Penny and Sheldon are thrown for a loop.

Sheldon and Penny share secrets while Leonard is away; Wolowitz helps Raj get over his ex.

Leonard and Sheldon's friendship is tested; Wolowitz's relationship with his mom causes a threat to his masculinity.

Raj designs a scavenger hunt that brings out the best -- and the worst -- in the whole gang.

Sheldon wants revenge after Amy ruins one of his favorite films; Leonard finds a way to get Penny to do anything; Stuart and Raj make online dating profiles.

Sheldon and Amy's relationship is tested when she takes a job at his university; a fight with Bernadette leaves Howard sleeping on Raj's couch.

Sheldon wants revenge after Amy ruins one of his favorite films; Leonard finds a way to get Penny to do anything; Stuart and Raj make online dating profiles.

All Elite Wrestling continues to inject new spirit, freshness and energy into mainstream wrestling featuring a world-class roster of diverse male and female wrestlers.

All Elite Wrestling continues to inject new spirit, freshness and energy into mainstream wrestling featuring a world-class roster of diverse male and female wrestlers.

Sheldon and Amy's relationship is tested when she takes a job at his university; a fight with Bernadette leaves Howard sleeping on Raj's couch.

All Elite Wrestling continues to inject new spirit, freshness and energy into mainstream wrestling featuring a world-class roster of diverse male and female wrestlers.

All Elite Wrestling continues to inject new spirit, freshness and energy into mainstream wrestling featuring a world-class roster of diverse male and female wrestlers.

A look at who will triumph with no one to rely on but themselves, Sergeant Stripper, the Swallower, the Cruise Director, or Dances with Whales.

A look at who will triumph with no one to rely on but themselves, Sergeant Stripper, the Swallower, the Cruise Director, or Dances with Whales.

The jokers give unsolicited etiquette advice and live tape strange product reviews; one lucky joker takes all the blame for celebrity guest Post Malone.

From working remotely to pitching unconventional business ideas with Steve Byrne, one Joker has a shot at winning a pair of highly sought-after sneakers thanks to NBA star Anthony Davis.

The jokers give unsolicited etiquette advice and live tape strange product reviews; one lucky joker takes all the blame for celebrity guest Post Malone.

When Jay overhears Gloria on the phone talking about spanking, he assumes she is frustrated in the bedroom; Mitchell and Cam throw a party to rub Mitchell's new job in Cam's friends' faces.

From working remotely to pitching unconventional business ideas with Steve Byrne, one Joker has a shot at winning a pair of highly sought-after sneakers thanks to NBA star Anthony Davis.

The family goes on a wine tasting trip and stays in Haley's new boss's country house; Gloria and Mitch are invited to a party at Oprah's house but can't bring anyone else.

Haley's astrophysicist boyfriend comes to meet the family, setting Claire and Phil off in a competition about which one of them is smarter; Mitch and Cam go on a yoga retreat.

When Gloria's ex-boyfriend stops by for a visit, his striking resemblance to Manny makes Jay wonder; Phil agonizes over getting the perfect anniversary gift for Claire; Lily gets into a fight at school over bras.

Haley's boss tries to buy Gloria's salsa; Mitchell gets Cam the police ride-along he's always dreamed of.

When Dede drops by unexpectedly, Mitchell and Cam come to a realization about her effect on their lives; Phil, Luke, Alex and Haley all have different bad news to break to Claire and compete about when to do it.

Haley meets Arvin's parents but fate leads to an unexpected reunion with all of her ex-boyfriends; the family goes to a nursing home to visit with Jay's sister; Phil, Cam and Gloria end up getting trapped in the home's basement.

Mitchell sneaks out to Hero-Con with Phil; Gloria's dinosaur party for Joe is ruined when her nemesis upstages her with a far bigger and better party next door.

The family gets together for the annual Fourth of July parade where Jay acts as the grand marshal; Haley's farewell to Arvin doesn't go as well as expected and she is distracted by the return of an old flame.

Haley looks to Mitch and Cam for relationship advice; Gloria suspects Manny's Canadian girlfriend is made up and tries to find out the real truth.

Phil stumbles into an exciting new career after visiting Luke's college; Claire deals with her dad and the merger of Pritchett's Closets with a tech-savvy, hipper company; Mitch's new high-profile case is marred by an unflattering courtroom sketch.

Haley is forced to make a decision; Manny returns to college and dorm life; Sherry may be overstaying her welcome at Jay and Gloria's.

The families celebrate another epic Halloween and receive huge, unexpected news.

When Phil learns that his real estate class will be canceled if any additional students drop it, he turns on his powers of charm and flattery to keep one particular student from leaving; Jay tries to set boundaries with a fellow parent.

The families celebrate another epic Halloween and receive huge, unexpected news.

Mary gets Pastor Jeff involved when Sheldon isn't invited to Billy's birthday party; George Sr. has male bonding time with Dr. Sturgis.

When Phil learns that his real estate class will be canceled if any additional students drop it, he turns on his powers of charm and flattery to keep one particular student from leaving; Jay tries to set boundaries with a fellow parent.

Sheldon fakes being sick to avoid a swim test at school; Dr. Sturgis spies on Meemaw's new boyfriend.

George Sr. and Meemaw struggle to manage the Cooper household; Mary plans Pastor Jeff's wedding.

Sheldon learns to listen when an emotional Paige struggles with her parents' divorce; George Sr. is furious when Georgie tries to buy his way out of chores.

George Sr. and Georgie go camping with Meemaw's new boyfriend, but things get complicated when her ex-boyfriend tags along; Sheldon and Missy invent a game.

Sheldon and Georgie mine for platinum in roadside gravel; Mary is concerned when Missy misuses religion to help with a batting slump.

George Sr. and Georgie go camping with Meemaw's new boyfriend, but things get complicated when her ex-boyfriend tags along; Sheldon and Missy invent a game.

Phoebe prepares to give birth, but the doctor makes her nervous; Joey gets admitted in great pain; Monica plans a date with a male nurse to spite Chandler.

Sheldon and Georgie mine for platinum in roadside gravel; Mary is concerned when Missy misuses religion to help with a batting slump.

Ross' estranged bride makes him an offer; Phoebe deals with traumatic memories of PBS; Monica gets upset at Chandler when he gloats about sex; Joey challenges Phoebe to perform a completely selfless act.

An exchange between Ross and Rachel threatens to break up the friends; Chandler and Monica plan a romantic weekend getaway together; Joey finds out about Monica and Chandler.

Phoebe is surprised to discover that she enjoys wearing mink; Ross confronts Emily and she demands a divorce; Monica and Rachel are afraid of a hairy new neighbor, until they find out how handsome he is with his hair cut.

Personal habits clash when Ross moves in with Chandler and Joey; Phoebe dates a health inspector (Gregory Sporleder); Rachel schemes to get her new neighbor to ask her our on a date.

As the gang digests Monica's huge Thanksgiving meal, everyone reminisces about their worst Thanksgiving ever.

Ross becomes upset when someone at work takes his sandwich from the refrigerator and eats it; Joey finds himself in a mess when he tries to cover for Chandler and Monica's dating.

Phoebe helps the Salvation Army and learns some truths about New Yorkers; Rachel gets a date with her neighbor who has a close relationship with his sexy sister; Joey tries to write a play in which he can be the star.

Ross vows to try something new; Joey resolves to learn guitar from Phoebe; Rachel gives up gossiping.

Monica is put off by the laugh Chandler uses to impress his boss (Sam McMurray); Ross shocks everyone by dating Janice (Maggie Wheeler).

Phoebe meets her estranged father (Bob Balaban) at her grandmother's funeral; Joey's fondness for an expensive bag loses him an audition; Chandler tells perfectionist Monica that she is useless at massage.

Ross must prove to his boss that he is sane in order to return to work; Phoebe finds out about Monica and Chandler's relationship; Ross hunts for a new apartment.

Chandler gets nervous when everyone learns about Monica; Joey's new girlfriend gets physical; Ross moves into a new apartment but fails to impress his new neighbors.

Ross must prove to his boss that he is sane in order to return to work; Phoebe finds out about Monica and Chandler's relationship; Ross hunts for a new apartment.

Sheldon's latest scientific breakthrough leaves him feeling like a fraud; a romantic gesture between Howard and Bernadette causes Penny to up her game with Leonard.

Chandler gets nervous when everyone learns about Monica; Joey's new girlfriend gets physical; Ross moves into a new apartment but fails to impress his new neighbors.

When Professor Proton asks Leonard for help with an experiment, Sheldon retaliates by befriending Proton's rival, Bill Nye.

When a mistake comes to light, Sheldon makes Leonard walk a mile in his shoes; Penny decides to confront Raj's ex.

When the gang decides to spend Thanksgiving at Mrs. Wolowitz's house, Sheldon protests; Leonard and Penny deal with an error from her past.

Amy and Leonard try to help Sheldon deal with his shame; Raj stays with Bernadette and Howard for a week.

While Sheldon is in Texas, the rest of the gang realize how much he has changed their lives as they decorate the apartment Christmas tree.

As Leonard tries to help Penny with a disappointment, Penny asks him a bold question about their relationship; Sheldon wants to learn how to be funny.

Sheldon must learn how to relax when he is forced to take a vacation; Leonard tries to support Penny when she quits her job; Bernadette needs to replace one of Stuart's comic books.

Unable to get Comic-Con tickets, Sheldon tries to hold his own convention and ends up spending a wild evening with James Earl Jones; the ladies try to act maturely.

Sheldon and Amy go on a trip to wine country with Howard and Bernadette; Penny and Leonard rush Raj's dog to the vet.

When Leonard buys a dining room table, Sheldon re-evaluates the changes in his life; Bernadette is torn when Wolowitz gets the chance to go back to space.

Bernadette tries to negotiate peace between Sheldon and Wolowitz; Penny receives an embarrassing offer; Raj wants Amy to write to a woman on his behalf.

Sheldon is faced with a new reality when he visits his mom in Houston; a murder mystery party starts arguments.

Bernadette tries to negotiate peace between Sheldon and Wolowitz; Penny receives an embarrassing offer; Raj wants Amy to write to a woman on his behalf.

A look at who will triumph with no one to rely on but themselves, Sergeant Stripper, the Swallower, the Cruise Director, or Dances with Whales.

Sheldon is faced with a new reality when he visits his mom in Houston; a murder mystery party starts arguments.

A look at who will triumph with no one to rely on but themselves, Sergeant Stripper, the Swallower, the Cruise Director, or Dances with Whales.

Cam forgets the words to his favorite country song and decides to reconnect with his roots by getting a chicken; when Alex is up for a prestigious government job that requires a family interview, everyone overcompensates and jeopardizes her chances.

Haley needs motherly advice from Claire as she considers her future with Dylan and her career; Jay and Cam's less-than-politically-correct coaching style earns them a class on sensitivity; Mitch runs into Phil's nemesis at an unlikely place.

When Dede's husband comes to town to bequeath her possessions to the family, Jay and Gloria feel sorry for him and invite him to stay with them while he is in town.

Hayley works to figure out the best time to give the family a Christmas gift they will never forget; Phil borrows the family Christmas tree for a house-showing; Jay, Gloria and Joe deal with unwelcome holiday visitors.

Claire and Phil aren't convinced that Haley and Dylan can make it on their own as they move them into their new apartment before the baby arrives; Pameron gets out of prison early and has a bone to pick with Mitchell.

Phil and Claire decide to take a cycling tour through Italy; Cameron and Mitchell discover some interesting reading material in Lily's room.

Cam must contend with a bully at the school; Jay has technical trouble during a video conference; the local mall holds a photo shoot for its new ad campaign, and Gloria tricks Phil and Joe into participating.

Phil thinks he found Pepper his dream home; in an attempt to connect with Lily, Mitch and Cam get invited to an exclusive event for her favorite vlogger.

Jay hosts a Super Bowl party at the same time that Claire hosts a baby shower for Haley, both at Jay's house.

Lily reaches a womanly milestone that Cam and Mitch are not prepared for -- at all -- so they call in reinforcements.

Mitch, Cam and Phil crash Jay's annual hiking trip to find an elusive bald eagle after Gloria asks them to keep an eye on him; Gloria, Alex, Claire and Haley get together to plan her baby shower.

Lily reaches a womanly milestone that Cam and Mitch are not prepared for -- at all -- so they call in reinforcements.

Mitch, Cam and Phil crash Jay's annual hiking trip to find an elusive bald eagle after Gloria asks them to keep an eye on him; Gloria, Alex, Claire and Haley get together to plan her baby shower.

Dylan and Luke are really impressed with Bill's tales of heroism and survival as a firefighter, which make Phil feel emasculated.

In an effort to be less negative, Claire inadvertently approves of Luke's new relationship with someone from his work; Phil tries to surprise Alex at school right before she receives an award she didn't tell him about.

Haley and Dylan's plan to quietly elope before the babies are born doesn't go as smoothly as they had hoped; Jay continues to try and get his new business off the ground by courting an Instagram celebrity.

Meemaw meets Dale's ex-wife, June; Sheldon is forced to work on a group project with reluctant college students.

Sheldon visits the California Institute of Technology for the very first time; Georgie is furious when Mary listens in on a phone call with his girlfriend; Meemaw tries to cheer up a jealous Missy.

Dr. Sturgis is furious when Sheldon accuses him of plagiarism; Mary sets out to find a girl trophy for Missy's end-of-season baseball ceremony; Georgie has an awkward run-in with Veronica while on a date with his new girlfriend, Jana.

When George Sr. accidentally lands the school librarian in the hospital, the Cooper family must nurse her back to health; Meemaw gives Georgie relationship advice.

When Sheldon learns the house next door is for sale, he takes it upon himself to find the perfect neighbors; Missy is torn when she's forced to pitch against her boyfriend at a baseball game.

Sheldon has a scientific breakthrough at the dentist's office; Dale and Meemaw go to the casino; Georgie makes a big mistake when Dale leaves him in charge of the store.

Phoebe finds a police officer's badge and goes on a spree of arrests until she meets up with the owner; Joey thinks he's in love with Monica; Ross buys a couch but won't pay to have it delivered.

Rachel worries about a kiss she gives to a job interviewer; Monica observes Phoebe's romantic bliss; Joey is arrested for stalking a sexy neighbor.

Rachel tries to impress her boss by smoking, which gives Chandler fond memories of his former addiction; Ross's son and Joey audition for the same part in a commercial.

Ross competes with Chandler for the attentions of a pizza deliverywoman (Kristin Dattilo-Hayward); Joey discovers that his guest-starring role on "Law & Order" was cut while watching the show with his proud grandmother.

Joey tries to save Ross' life when he thinks he hears gunshots while on patrol with Phoebe's police officer boyfriend.

Monica interrupts Joey and Ross' friendly game of catch; Gary (Michael Rapaport) asks Phoebe to move in with him.

Joey lands his first lead role and finds his movie crew in a bind; Rachel gets an eye infection; Phoebe can't quite remember why she hates Ross.

The gang surprises Joey by joining him in Las Vegas on a film shoot; a winning streak leads Chandler to press his luck with a proposition.

Chandler and Monica reconcile and hastily decide to get married; Ross and Rachel get drunk and roam the casino; Phoebe deals with a lurker on the slot machines.

Hung-over Rachel and Ross wonder if they got married while in Vegas; Monica and Chandler search the Strip for signs that they are altar-bound.

Ross seeks Phoebe's advice to help him sort out the legal status of his relationship with Rachel; Monica and Chandler plan to move in together.

Ross has Rachel on his mind when he gets between feuding Monica and Chandler; Joey advertises for a specific roommate.

A hernia-bearing Joey tries to pick up a quick acting gig; Rachel discovers that Ross never had their marriage annulled.

Raj struggles with guilt when he dates two women at once; Penny has a chance to play a part in a cheesy movie; Sheldon is torn between two gaming systems.

Sheldon has a personal crisis when he decides string theory is a waste of his time; a double date ends in embarrassment for Howard.

Sheldon gives spontaneity a try, which causes unexpected friction for Penny, Bernadette and Amy; Raj asks Howard for help with preparation for a date with Emily.

Professor Proton (Bob Newhart) helps Sheldon deal with grief; Leonard gets into a competition with Penny; Bernadette and Amy prepare a "Star Wars Day" gift for the guys.

A bad day compels Penny to re-evaluate her choices -- including Leonard; Bernadette and Howard must care for Mrs. Wolowitz; Sheldon gives Raj advice on relationships.

Faced with an uncertain future, Sheldon considers a major change; Emily and Raj decide to take things to the next level.

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.

A Virginia high school hires a black football coach (Denzel Washington) after undergoing integration in 1971.

A young man from Harlem (Nick Cannon) joins a Southern university's marching band but antagonizes the musical director (Orlando Jones) and its leader.

Two New Yorkers accused of murder in rural Alabama while on their way back to college call in the help of one of their cousins, a loudmouth lawyer with no trial experience.

Joined by John Mayer, the Jokers must convince unsuspecting temps to accompany them to a business dinner; the losing Joker has to face the wrath of angry Mayer fans in a humiliating punishment.

Sal, Q, and Murr fall head over heels for someone they just met; a heated debate with pro wrestler MJF; a Joker discovers an untapped clairvoyant talent they possess with guest star Kesha.

A special episode hosted by Casey Jost and former NFL player Eddie Jackson as they spend time reviewing nail-biting clips of never-before-seen moments from Season 10.

Unable to pull off this week's pickleball and coffee shop challenges, the losing Jokers are forced to participate in an overseas game show hosted by special guest Paul Scheer.

The jokers are posing as salesmen and must sell their bizarre products to focus group participants, then attempt a challenge that turns out to be a mouthful; Sal finds himself in a stinky situation in tonight's punishment with guest star Kal Penn.

The jokers are dishing out as waiters and later grilled by news anchor Rosanna Scotto; finally, the losing joker is in for a horrific treat with guest star Bruce Campbell.

Q, Sal, and Murr pose as cash-grabby waiters and later as embarrassing parents; after the losing Joker is forced into a far-out focus group punishment with special guest, and so-called Ganja Weasel, Blake Anderson.

Q, Sal, and Murr coax their trainees to secure donations through unusual ways; they discipline their kids with the help of fellow shoppers; Murr runs rampant as a Tailor-zilla at a bridal shop with guest star Bobby Moynihan.

Finding out whether the team can make it as film directors; celebrity guest Paula Abdul hosts a dinner for her fans, and Sal is in attendance.

Sal, Q, and Murr are put to the test; first as tv producers, then as product inventors, while the losing Joker won't be tooting his own horn, celebrity guest Roy Wood Jr. will.

Rachel wants Ross to admit that he's mentally unbalanced so that a judge will grant them an annulment.

While Monica helps Rachel move out, the two women have a war of words; Chandler says a "financial" adios to Joey.

Rachel regrets asking Phoebe to jog with her when her uncoordinated movements attract unwanted attention.

After bleaching his teeth, Ross discovers they glow in the dark; Joey's new roommate wants to redecorate.

Chandler finds out Monica never told her parents he was living with her; Rachel tries her hand at making dessert.

Janine invites Joey, Monica and Ross to a TV taping; Phoebe and Rachel want an early glimpse at their Christmas gifts.

Janine's attitude causes strife between Joey and his friends; Rachel gets an apothecary table from a flea market.

Ross and Chandler argue over authorship of a joke; a question from Monica puts Phoebe on the spot; Joey reluctantly takes a job at Central Perk.

Two New Yorkers accused of murder in rural Alabama while on their way back to college call in the help of one of their cousins, a loudmouth lawyer with no trial experience.

A young man from Harlem (Nick Cannon) joins a Southern university's marching band but antagonizes the musical director (Orlando Jones) and its leader.

A Virginia high school hires a black football coach (Denzel Washington) after undergoing integration in 1971.

A football coach (Gene Hackman) and his team's owner recruit a ragtag band of has-beens and wannabes after failed negotiations lead to a strike.

Lackluster baseball players (Tom Berenger, Charlie Sheen, Corbin Bernsen) hear their Cleveland team's new owner is counting on them to lose.

A bumbling relative gets the chance to redeem himself when he's called upon to look after his brother's three children.

A football coach (Gene Hackman) and his team's owner recruit a ragtag band of has-beens and wannabes after failed negotiations lead to a strike.

The Jokers must send bizarre texts and pose as security guards, doing and saying whatever they're told; the losing Joker will be part of an elf orientation hosted by guest star Michael Ian Black.

The Jokers mix it up at an after-dark social event, and try getting park-goers to sign up for bizarre subscriptions; the losing Joker gets into an unforgettable battle of the sexes with special guest Kim Fields.

The Jokers ask random park goers to watch their grandma while they make a quick errand, then a fake documentary interviews them; the losing Joker gets dressed as a clown and punished by the other Jokers and returning special guest, Eric Andre.

The Jokers pose as lawyers with ridiculous contracts and mean no disrespect yet say disrespectful things to shoppers; the losing Joker is coached by Harvey Guillen on his latest acting method.

The Jokers have an over-the-top reaction to a phone call and offer absurd event tickets to people on the street; the losing Joker is joined by Alf, the alien.

The Jokers are bad receptionists and must do and say what the other guys tell them; a Joker vs Joker challenge with Joey Fatone, followed by Joey Fatone's epic punishment culminated by the Joker's previous punishments.

Rachel is worried about her sister's flirtation with Ross; sickly Monica is well enough to seduce Chandler; Joey uses free food to lure women to date him.

Rachel and her sister get into a heated sibling rivalry over Ross; Chandler confesses he hasn't cried since he was a child.

When Rachel tells her friends about Barry and Mindy's impending divorce, the others speculate how their lives could have turned out if they had chosen different paths.

Carol and Ross decide to spice up their marriage; Rachel goes to Joey's and kisses him; Rachel catches Barry cheating.

Chandler's anniversary gift to Monica is really one an ex-girlfriend gave him; Joey hires a look-alike; Ross tries to teach martial arts to Rachel.

Ross toys with dating one of his students; a curling iron starts a fire in Phoebe and Rachel's apartment.

A bumbling relative gets the chance to redeem himself when he's called upon to look after his brother's three children.

Lackluster baseball players (Tom Berenger, Charlie Sheen, Corbin Bernsen) hear their Cleveland team's new owner is counting on them to lose.

The owner (Vince Vaughn) of a gym and an overbearing entrepreneur (Ben Stiller) form dodgeball teams to compete for $50,000 in Las Vegas.

A look at who will triumph with no one to rely on but themselves, Sergeant Stripper, the Swallower, the Cruise Director, or Dances with Whales.

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

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.

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.

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.

Raj and Sheldon try to simulate a dark-matter research expedition; after a fight about money, Penny and Leonard turn to Bernadette and Wolowitz for advice.

The guys try to help when Penny is faced with an awkward dilemma at work; Bernadette and Amy discuss sexuality and female scientists.

Sheldon feels pressured to participate in romantic traditions when the gang re-creates a high-school prom on the roof.

Leonard has minor surgery on his nose, causing Sheldon to overreact; Bernadette and Howard work on their marriage.

Sheldon says goodbye to Fun With Flags; Howard, Leonard and Raj look through their dead professor's research; Bernadette learns her co-workers' true feelings.

The owner (Vince Vaughn) of a gym and an overbearing entrepreneur (Ben Stiller) form dodgeball teams to compete for $50,000 in Las Vegas.

Five highly competitive friends hit the ground running for their yearly, no-holds-barred game of tag -- risking their necks, their jobs and their relationships to take one another down.

Two terminally ill men leave their hospital ward and set out to complete a list of things they want to do before they die.