Ross finds out his ex-wife is pregnant. Rachel returns her engagement ring to Barry. Monica becomes stressed when her and Ross's parents come to visit.
Monica becomes irritated when everyone likes her new boyfriend more than she does. Chandler resumes his smoking habit. Phoebe is given $7000 when she finds a thumb in a can of soda.
Joey and Chandler take Ross to a hockey game to take his mind off the anniversary of the first time he slept with Carol, while the girls become depressed when they realize they don't have a 'plan'.
Eager to spend time with Rachel, Ross pretends his washroom is rat-infested so he can join her at the laundromat. Meanwhile, Joey has Monica pose as his girlfriend, and Chandler struggles to break up with his girlfriend.
Monica's obsessiveness is put to the test after Rachel cleans the apartment. Joey lands a film role as Al Pacino's butt double. Chandler enjoys a relationship with all of the fun but none of the responsibility.
The gang make (and break) a pact not to bring dates to their New Years Eve party. Phoebe starts dating a scientist. Ross compensates for his loneliness by getting a monkey.
Chandler's flamboyant romance-novelist mother comes to visit, and Joey catches her kissing Ross. Meanwhile, Monica and Phoebe fight over a guy in a coma.
Rachel and Paolo's relationship hits a snag when he makes a pass at Phoebe. Ross refuses to find out the sex of his baby until it's born. Chandler and Joey go shopping for a new kitchen table.
Joey finds out his dad has a mistress. Rachel tries to even the score after Chandler inadvertently catches a glimpse of her breasts. Phoebe dates a shrink who analyzes the gang.
As Valentine's Day approaches; Ross and his date end up at the same restaurant as Carol and Susan, Joey inadvertently sets Chandler up on a blind date with Janice, and the girls burn mementos of their old boyfriends.
Monica cooks a gourmet meal for a restaurateur who is looking for a new chef, however he arrives at the apartment stoned. Meanwhile, Ross tries to master 'dirty talk'.
Phoebe feels neglected when Joey falls for her twin sister. Chandler struggles to fire an attractive co-worker. Ross attends Lamaze classes with Carol and Susan.
Rachel and Barry start dating again, despite the fact that he's now engaged to Mindy; Chandler goes nuts when a woman he likes won't return his phone calls.
Monica befriends the woman who stole her credit card. Ross is forced to give away Marcel. Joey tries to come up with a less ethnic-sounding stage name.
Monica gets a shock when she finds out her boyfriend is a high school student. Chandler finds out his colleagues don't like him when Phoebe temps as his secretary.
As Ross leaves for China, Chandler accidentally reveals Ross's feelings for Rachel. Joey takes part in a fertility study and is unable to sleep with his new girlfriend.
