The Roses search for their missing son, David, while Alexis takes her relationship with Mutt to the next level despite technically being engaged to Ted.

Julia’s concern over Jimmy's obsession with a violent video game leads to surprising disciplinary measures.

Ned slowly starts with his volunteer crew until Esmeralda forces an accelerated scramble for stories; Detrick and Travis, Mare and Barry, and Adam and Adelola form Woodward and Bernstein teams with limited results.

Alan begins dating a divorced woman who used to best-couple friends with him and Judith. He's happy until he learns more about Herb and Judith's sex life than he actually wanted to know.

While at the coffee shop Charlie is recognised by a woman he dated but Charlie can't remember her name. Jake falls for the same woman's daughter so Charlie double-dates with Jake and fixes Alan up with a hooker.

Mike & Molly clash over her time when she's not writing.

Mike brings home a stray puppy...to Molly's dismay.

Mike is upset with Vince over a do-it-yourself project.

A TV producer approaches Max and Caroline about shooting an episode of the Kardashians reality show at their cupcake window.

Max is completely mortified when she discovers what her Tuesday night booty call does for a living.

When Caroline loses one of Han's really expensive fish, the girls have to come up with the money to replace it before he realises it's missing.

With his friends knowing how sour he acts when he’s sick, Sheldon is nursed by Penny, who hasn't got a clue what she's in for.

With Sheldon rattled over meeting Dennis, a 15-year-old physicist who's smarter than he, Leonard helps him look for a way to debunk Dennis's research.

Sheldon finds himself booted from the gang's Physics Bowl team and replaced with Leslie, so he forms his own team hoping to prove he's superior.

Phoebe tries to cheer up a depressed Joey by lending him the world's happiest dog. Monica and Chandler's romantic Valentine's Day plans are derailed when they watch a videotape of Phoebe's friend giving birth.

Ross has trouble understanding Joey's revelation about his feelings for Rachel. Meanwhile, Phoebe meets Monica's soul mate, much to Chandler's dismay.

Phoebe's tea leaves tell her she's going to meet the man of her dreams, except the man she meets is a nightmare. Ross tries to retrieve his favourite shirt from Mona's but is interrupted when she returns with her date.

Everybody prepares to go out to Long Island for the elder Gellers' 35th anniversary party. Monica tries to write a toast to make everybody cry and Ross and Rachel discover his parents have told people they're married.

Mike & Molly clash over her time when she's not writing.

Mike brings home a stray puppy...to Molly's dismay.

Mike is upset with Vince over a do-it-yourself project.

A TV producer approaches Max and Caroline about shooting an episode of the Kardashians reality show at their cupcake window.

Max is completely mortified when she discovers what her Tuesday night booty call does for a living.

When Caroline loses one of Han's really expensive fish, the girls have to come up with the money to replace it before he realises it's missing.

With his friends knowing how sour he acts when he’s sick, Sheldon is nursed by Penny, who hasn't got a clue what she's in for.

With Sheldon rattled over meeting Dennis, a 15-year-old physicist who's smarter than he, Leonard helps him look for a way to debunk Dennis's research.

Sheldon finds himself booted from the gang's Physics Bowl team and replaced with Leslie, so he forms his own team hoping to prove he's superior.

Phoebe tries to cheer up a depressed Joey by lending him the world's happiest dog. Monica and Chandler's romantic Valentine's Day plans are derailed when they watch a videotape of Phoebe's friend giving birth.

Ross has trouble understanding Joey's revelation about his feelings for Rachel. Meanwhile, Phoebe meets Monica's soul mate, much to Chandler's dismay.

Phoebe's tea leaves tell her she's going to meet the man of her dreams, except the man she meets is a nightmare. Ross tries to retrieve his favourite shirt from Mona's but is interrupted when she returns with her date.

Everybody prepares to go out to Long Island for the elder Gellers' 35th anniversary party. Monica tries to write a toast to make everybody cry and Ross and Rachel discover his parents have told people they're married.

Molly brings home a homeless & pregnant former student

Molly reunites Frannie with her estranged sister.

The adoption agency pays a home visit.

Caroline uses an abandoned bicycle to start a delivery service for their cupcake business, but she soon finds out that Max has never learned how to ride one.

Caroline uses an abandoned bicycle to start a delivery service for their cupcake business, but she soon finds out that Max has never learned how to ride one.

When Caroline drags Max to a seminar to help brand their cupcake business, their relationship is put severely to the test.

When Max and Caroline decide to rent their apartment on Airbnb, claiming it offers an authentic "Williamsburg experience", a group of supermodels decide it would be a great place for a girlie weekend.

When delivery of another collectible leads to Penny's lashing out at Leonard, he decides it's time to give up his habit, much to his friends' protestation.

The rest of the gang fall for Sheldon's twin sister and Leonard's plan to win her heart is derailed when Sheldon declares he'll be the one to decide who can date her.

Penny wants to throw a surprise party for Leonard, but Sheldon's indulgence at an electronics store throws her off-track.

Joey prepares for an interview with Soap Opera Digest. He's afraid of appearing stupid so he enlists his friends to make sure things go well. During the interview he reminisces about his past acting and life experiences.

Rachel panics when she realises she's not ready to take care of a baby and agrees for her mother to move in with her and Ross to help out. The guys help Joey practice for his audition as the host of a wild game show.

Monica's restaurant gets a bad review. After confronting the critic who wrote it she decides to join a cooking class. Chandler prepares for a job interview after Phoebe tells him that he makes a bad first impression.

Joey must decide who to invite to the premiere of his movie. Unfortunately, his pick, Chandler, falls asleep during it. Rachel's due date comes and goes and the doctor tells Ross and Rachel sex may help speed things along.

It's back to school for Headstone State JC, which means in addition to her coaching, Courteney must get her kids settled into the dorms and begin classes.

Lee and Glen find Don while Kirsty makes a bold move at work.

After seeing Charlie with a lot of females in the space of one day, Alan feels Charlie is unable to control his womanising ways. Charlie goes to see his shrink who makes him realise he's missing the one that got away.

Evelyn and Teddy's wedding is under-way and Alan helps the two make plans. Courtney tells Charlie they can't see each other anymore but Charlie can't accept it and takes desperate measures to change her mind.

Moira decides to cook dinner with the help of David. Johnny scopes out an office for his consulting business, and Alexis finally comes clean with Ted about their engagement.

When Caroline drags Max to a seminar to help brand their cupcake business, their relationship is put severely to the test.

When Max and Caroline decide to rent their apartment on Airbnb, claiming it offers an authentic "Williamsburg experience", a group of supermodels decide it would be a great place for a girlie weekend.

Joey prepares for an interview with Soap Opera Digest. He's afraid of appearing stupid so he enlists his friends to make sure things go well. During the interview he reminisces about his past acting and life experiences.

Rachel panics when she realises she's not ready to take care of a baby and agrees for her mother to move in with her and Ross to help out. The guys help Joey practice for his audition as the host of a wild game show.

Monica's restaurant gets a bad review. After confronting the critic who wrote it she decides to join a cooking class. Chandler prepares for a job interview after Phoebe tells him that he makes a bad first impression.

Joey must decide who to invite to the premiere of his movie. Unfortunately, his pick, Chandler, falls asleep during it. Rachel's due date comes and goes and the doctor tells Ross and Rachel sex may help speed things along.

After seeing Charlie with a lot of females in the space of one day, Alan feels Charlie is unable to control his womanising ways. Charlie goes to see his shrink who makes him realise he's missing the one that got away.

Evelyn and Teddy's wedding is under-way and Alan helps the two make plans. Courtney tells Charlie they can't see each other anymore but Charlie can't accept it and takes desperate measures to change her mind.