Due to a misunderstanding, Rachel finds herself engaged to Joey instead of Ross. Things get more confused when Phoebe mistakenly assumes that Ross is the one who proposed.

Rachel's new baby becomes hard to handle, and Chandler accidentally decides to move.

Rachel's constant calls to her pediatrician force him to drop Emma as a patient. Ross becomes uncomfortable when Rachel seeks his childhood doctor as a replacement - mainly because he is still Ross's doctor.

Worried she may lose her latest boyfriend, Phoebe's self-doubt is worsened by Ross's foolish comments. Monica mistakenly fears Chandler has an unnatural fetish for sharks.

While Phoebe and Joey await their friends at a fancy restaurant, Rachel frets about leaving Emma with a sitter. Monica and Chandler are also running late due to a heated spat.

Rachel's choice of an oversensitive male nanny sparks Ross's mockery. Phoebe must choose between two ardent suitors: new boyfriend Mike or visiting former boyfriend David.

Mike wants Phoebe to meet his parents, so takes her to dinner at their home. Phoebe is surprised to learn that his parents are quite rich and upper-class; she tries to make a good impression, but Mike's parents simply don't like her as much as Mike announces that he does. Ross discovers that Baby Got Back is the only song that will stop Emma's crying; Rachel doesn't want to believe that, but eventually, after trying everything else, she comes to the same conclusion.

On the night before Thanksgiving, Rachel's self-centered younger sister Amy ruins everyone's holiday dinner with her uncensored observations.

While out with Phoebe, Rachel impulsively gives a handsome guy her phone number - then worries he'll call when Ross is in. Mike and Ross desperately try finding something to talk about while baby-sitting Emma.

Chandler must stay in Tulsa over Christmas due to work deadlines. Monica suspects the worst when she learns that his beautiful co-worker Wendy will join him.

Rachel meets her handsome rival Gavin, who has covered her job while she's been on maternity leave. Their immediate war of wills prompts her to make a rash decision that she could regret.

Rachel is peeved to learn that Gavin is invited to her birthday party. Ross struggles to keep lascivious Joey away from Emma's beautiful new nanny. Phoebe coaxes Mike into helping care for a litter of baby rats.

As Rachel sorts out her feelings for Gavin, Ross recruits Chandler to help him meet attractive women to make her jealous. Monica's see-through dress is a big hit when Phoebe brings her to karaoke night!

Joey and Phoebe conspire to arrange awful dates for both Rachel and Ross, hoping that appreciation of their former relationship will cause them to reunite.

To impress a pompous fellow actor during an audition, Joey develops an unusual acting method. Ross is horrified to discover who mugged him when he was a child.

Phoebe asks Mike to move in with her, but coming so close to married life may spell trouble. The financially strapped Monica and Chandler seperately and unknowingly ask Joey for loans.

When Chandler jokingly posts an outrageous biography of Ross on his college alumni website, Ross retaliates in similar fashion - triggering an Internet war between the two friends.

Hoping to win a huge jackpot, the friends pool their cash and buy dozens of lottery tickets. But bickering over how to spend potential winnings and other disagreements cause a lotto tension.

Nervous about an upcoming romantic scene, Joey rehearses with Rachel. After watching the show's taping, Rachel has a surprising dream about Joey.

Ross is excited when his paleontology colleague Charlie is also a stunning beauty. But the excitement fades when she discusses her impressing list of ex-boyfriends at Joey's rooftop party for his Days of Our Lives castmates.

Ross is hurt when brilliant Charlie starts dating shallow Joey. Chandler and Monica have a chance encounter at a fertility clinic.

Sad to learn that they cannot conceive naturally, Monica and Chandler mull their options. Chandler brings home a handsome, unknowing co-worker for dinner to 'interview' him as a potential sperm donor.

Ross procures free passes for his friends to a paleontologists' convention in Barbados, then scrambles to reconstruct - with Charlie's help - his keynote address after its accidental erasure from his computer. Feelings - and couplings - ping-pong after Phoebe's ex-boyfriend Mike arrives to win her back.

Ross procures free passes for his friends to a paleontologists' convention in Barbados, then scrambles to reconstruct - with Charlie's help - his keynote address after its accidental erasure from his computer. Feelings - and couplings - ping-pong after Phoebe's ex-boyfriend Mike arrives to win her back.