Monica wants her engagement thunder, but Rachel steals the spotlight with unexpected news. Chandler and Monica start planning their wedding.
Ross discovers Rachel's steamy novel and reads passages aloud to everyone. Monica and Chandler navigate engagement party planning.
Phoebe's grandmother's famous cookie recipe turns out to have a surprising origin. Monica obsesses over getting it right.
Rachel hires a handsome but unqualified assistant, Tag, over a more experienced candidate. Monica disapproves, and workplace comedy ensues.
Monica and Chandler's engagement photo session goes hilariously wrong — Chandler cannot take a normal picture to save his life.
Ross and Joey discover they enjoy napping together on the couch and try to keep it secret. The gang finds out, naturally.
Ross discovers students are having intimate encounters in the library where his book is shelved. He takes the situation very personally.
Chandler reveals he doesn't like dogs, which shocks the group on Thanksgiving. Phoebe hides a puppy in the apartment. Rachel's feelings for Tag surface.
Monica makes Christmas candy for the neighbors and it becomes so popular that people won't leave her alone. The generosity backfires spectacularly.
Ross tries to teach Ben about Hanukkah using a Holiday Armadillo costume. Chandler shows up as Santa and the holiday mashup is unforgettable.
Chandler and Rachel bond over stolen cheesecakes that keep getting delivered to their building by mistake. The addiction escalates. Joey wants in.
Nobody can sleep and everyone ends up on the roof dealing with their problems. Tag and Rachel's relationship gets complicated. Ross fights with his satellite dish.
Joey's favorite chair Rosita breaks, and he blames Rachel. Phoebe works as a telemarketer and accidentally helps a suicidal man. Monica gets a surprising offer.
Flashbacks reveal how each friend celebrated turning thirty. Some handled it better than others — Ross's sports car phase is particularly memorable.
Joey lands a role where he shares a brain with a woman. Chandler and Monica disagree about wedding plans. Phoebe bonds with a stalker fan.
The truth about how Chandler and Monica first got together in London finally comes out, and it involves a hilarious mix-up with Ross.
Monica finds her dream wedding dress but another bride wants the same one. The competition gets fierce. Ross and Joey deal with neighbor disputes.
Joey is nominated for a Soapy Award and takes the ceremony very seriously. Rachel struggles with what to get Monica and Chandler as a wedding gift.
Monica's attractive cousin visits and every guy in the group reacts — including Ross, in a scene he'd probably like to forget.
Rachel's sorority sister Melissa visits and Rachel tries to prove they once kissed. Chandler practices his wedding vows and struggles with emotional sincerity.
Monica and Chandler write their wedding vows and realize it's harder than expected. Flashback clips help them remember why they're perfect for each other.
The gang meets Chandler's dad for the first time, played by Kathleen Turner. Chandler confronts some unresolved family issues before the wedding.
Monica and Chandler's wedding day arrives, but Chandler panics and goes missing. The gang scrambles to find him before Monica notices.