Blaire convinces Matty and Susan to let Ted act as their marriage therapist. After the session, Ted, John and Blaire encourage Susan to pursue the career she abandoned long ago.

Both Charlie and Alan face lifestyle changes when Chelsea moves into the house.

Charlie seeks to take advantage of Alan and Chelsea's budding friendship. Meanwhile, Alan takes up ventriloquy.

Disappointment at work threatens to ruin Molly's Christmas.

Carl freaks out when his relationship gets serious.

Victoria is arrested! Can Mike save the day?

Max and Caroline approach the owner of the pizza place next door about renting space to expand their renovated dessert bar.

Max and Caroline learn that Han is in big trouble with a gang for amassing a hefty gambling debt on women's tennis… and it's a debt he can't afford to repay.

Part 1 of 2. Max and Caroline put the finishing touches to their newly converted Dessert Bar. Meanwhile, Max deals with the aftermath of her breakup with Randy, and Sophie and Oleg prepare for the birth of their baby.

When their apartment is robbed, Leonard and Sheldon turn to their friends to create a state-of-the-art security system.

Sheldon's search for the answer to a physics problem leads him to work at the Cheesecake Factory with Penny.

Leonard can only bring one guest on a trip to see CERN's Large Hadron Collider (the world's largest and highest energy particle accelerator) in Switzerland on Valentine's Day.

Ross and Rachel wash their dirty laundry in public. Joey wants to go out with a woman who has a boyfriend, so he tricks Monica into a double date. Chandler recruits Phoebe to break up with Janice for him.

Joey gets cast as Al Pacino's "butt-double" but gets fired for overacting. Chandler starts a polyamorous relationship with an Italian woman but eventually learns that it's not all it's cracked up to be.

Ross and Monica go to the bedside of their dead grandmother, who momentarily returns to life. Chandler discovers all the gang thought he was gay when they first met him.

Disappointment at work threatens to ruin Molly's Christmas.

Carl freaks out when his relationship gets serious.

Victoria is arrested! Can Mike save the day?

Max and Caroline approach the owner of the pizza place next door about renting space to expand their renovated dessert bar.

Max and Caroline learn that Han is in big trouble with a gang for amassing a hefty gambling debt on women's tennis… and it's a debt he can't afford to repay.

Part 1 of 2. Max and Caroline put the finishing touches to their newly converted Dessert Bar. Meanwhile, Max deals with the aftermath of her breakup with Randy, and Sophie and Oleg prepare for the birth of their baby.

When their apartment is robbed, Leonard and Sheldon turn to their friends to create a state-of-the-art security system.

Sheldon's search for the answer to a physics problem leads him to work at the Cheesecake Factory with Penny.

Leonard can only bring one guest on a trip to see CERN's Large Hadron Collider (the world's largest and highest energy particle accelerator) in Switzerland on Valentine's Day.

Ross and Rachel wash their dirty laundry in public. Joey wants to go out with a woman who has a boyfriend, so he tricks Monica into a double date. Chandler recruits Phoebe to break up with Janice for him.

Joey gets cast as Al Pacino's "butt-double" but gets fired for overacting. Chandler starts a polyamorous relationship with an Italian woman but eventually learns that it's not all it's cracked up to be.

During a blackout, Rachel falls for the attractive Italian owner of a lost kitten just as Ross wants to profess his love. Chandler is trapped in an ATM vestibule with Jill Goodacre and desperately tries to impress her.

Ross and Monica go to the bedside of their dead grandmother, who momentarily returns to life. Chandler discovers all the gang thought he was gay when they first met him.

Joyce drives Vince crazy with jealousy.

Mike crashes Carl's Valentine's Day plans.

Molly throws a surprise birthday party for Mike.

Part 2 of 2. Sophie goes into labour just before the Dessert Bar's grand opening and demands that Max and Caroline be present for the birth. Meanwhile, the girls run into problems when they don't secure a liquor license for their new venue.

Max and Caroline's plans to attract upscale clients to their dessert bar go awry when members of an arm-wrestling team become regulars. Meanwhile, Oleg ghost writes sexy messages for Max to send to Randy.

Oleg and Sophie's plan to have Max and Caroline as Barbara's godparents goes awry when Oleg's domineering mother arrives from the Ukraine for the baby's baptism and fires the girls from their godparent duties.

Sheldon winds up in traffic court when he gets a ticket because of Penny.

When the guys find a ring from 'The Lord of the Rings' at a garage sale, it threatens to tear them apart.

Sheldon's friends come to his aid when his fear of public speaking stands between him and a coveted award.

Monica plans a lovely, quiet Thanksgiving feast for the gang but the food burns when Chandler distracts the friends with a break-away balloon. Joey models for an embarrassing poster & Ross sings to his unborn child.

All the friends make a pact not to bring dates to the New Years party but they all do, except Ross who arrives with his new companion, a monkey named Marcel.

Chandler's romance novelist mum comes to visit and Joey catches her and Ross kissing. Monica and Phoebe compete for the attention of "coma guy", who gets hit by an ambulance after Monica woo-woo's at him on the street.

Everyone knows the sex of Ross' baby except for Ross, who doesn't want to find out until it's born. Monica makes a dozen lasagne for her aunt, only to discover that her aunt doesn't eat meat.

Mia's return finds Charlie questioning how devoted he is to Chelsea. Meanwhile, Alan tries to write a screenplay and the guys rush a labouring Judith to the hospital.

Charlie must make a difficult decision about his future as to which woman he wants to spend his life with, Chelsea or Mia. Meanwhile, Charlie also grows wary that Melissa has slowly moved into the house.

Part 2 of 2. Sophie goes into labour just before the Dessert Bar's grand opening and demands that Max and Caroline be present for the birth. Meanwhile, the girls run into problems when they don't secure a liquor license for their new venue.

Max and Caroline's plans to attract upscale clients to their dessert bar go awry when members of an arm-wrestling team become regulars. Meanwhile, Oleg ghost writes sexy messages for Max to send to Randy.

Oleg and Sophie's plan to have Max and Caroline as Barbara's godparents goes awry when Oleg's domineering mother arrives from the Ukraine for the baby's baptism and fires the girls from their godparent duties.

Monica plans a lovely, quiet Thanksgiving feast for the gang but the food burns when Chandler distracts the friends with a break-away balloon. Joey models for an embarrassing poster & Ross sings to his unborn child.

All the friends make a pact not to bring dates to the New Years party but they all do, except Ross who arrives with his new companion, a monkey named Marcel.

Chandler's romance novelist mum comes to visit and Joey catches her and Ross kissing. Monica and Phoebe compete for the attention of "coma guy", who gets hit by an ambulance after Monica woo-woo's at him on the street.

Everyone knows the sex of Ross' baby except for Ross, who doesn't want to find out until it's born. Monica makes a dozen lasagne for her aunt, only to discover that her aunt doesn't eat meat.

Mia's return finds Charlie questioning how devoted he is to Chelsea. Meanwhile, Alan tries to write a screenplay and the guys rush a labouring Judith to the hospital.

Charlie must make a difficult decision about his future as to which woman he wants to spend his life with, Chelsea or Mia. Meanwhile, Charlie also grows wary that Melissa has slowly moved into the house.