Eddie gets into trouble by racking up a considerable debt from bad football bets, and he sells one of Carl's valuable stamps to cover his losses.

Harriette gets her feelings hurt when she tries to fit in with Laura's friends and Laura gives her the cold shoulder; Eddie hires Waldo at Mighty Weenie.

Sheldon spends the weekend with Dr. Sturgis to prepare for life in college; Mary tries to bond with the rest of the Coopers while Sheldon is away.

Sheldon organizes a campaign for class president as a response to the school's decision to funnel funds towards football instead of academics.

Georgie is elated to learn that Veronica will be staying the next few days at the Coopers' house; Dr. Sturgis and Meemaw celebrate their first anniversary.

The Cooper family helps Pastor Jeff cope with a difficult situation regarding his marriage; Sheldon joins Mary at work and tries to push for donations.

Sheldon decides to invite the people from his school to attend a Nobel Prize announcements party; Meemaw discovers more details about Dr. Sturgis' past.

Mary frets over Sheldon's mental health after Dr. Sturgis suffers a nervous breakdown; Georgie comes to realize his natural talent for sales.

Rachel crashes Ross's wedding in order to disrupt the proceedings; Joey gets homesick; A drunk Monica and Chandler end up sleeping together.

Ross believes that Emily will fail to show for their honeymoon, and makes the mistake of inviting Rachel to avoiding wasting money on a ticket.

Chandler accidentally kisses Monica in front of Phoebe and Rachel and then must kiss them to cover it up; Rachel finally tells Ross her feelings for him.

Phoebe gives birth to triplets and asks her half-brother if she can keep one of the babies; Joey's "sympathy pains" turn out to be kidney stones.

Joey thinks he's hosting a telethon for PBS, but turns out to be a pledge-taker; Phoebe, trying to perform a selfless deed, unknowingly donates money to PBS.

Ross tells Rachel that he can't see her anymore if he wants to get Emily back; Joey finds out about Chandler and Monica and they swear him to secrecy.

Monica and Rachel think that Bigfoot has moved into their building; Emily and Ross end their marriage after Ross refuses to end his friendship with Rachel.

Ross moves in with Chandler and Joey after he gets kicked out of his apartment; Phoebe dates a health inspector who frequently flexes his power.

During Thanksgiving, the friends remember their former terrible Thanksgiving experiences. Meanwhile, Chandler tells Monica that he loves her.

When his co-workers continue to steal his prized sandwiches, Ross is forced to go "mental" and gets suspended and sent to anger management classes.

Rachel meets Danny's sister and is dismayed when the two seem a little too playful; a slew of inconsiderate people causes Phoebe's reversion to "Street Phoebe."

When the friends make New Year's resolutions, Rachel may be forced to break her proposed code of silence upon learning of Monica and Chandler's relationship.

Sheldon gets in trouble with Amy when he is not impressed by her recent accomplishment; Howard must come to terms with Bernadette's dislike of children.

The possibility of Leonard and Penny getting back together could prove to be disastrous when Leonard offers Penny a spur-of-the-moment invitation to dinner.

Leonard and Penny experiment with dating and their new relationship; Raj develops a rather peculiar relationship with his phone's virtual assistant.

Sheldon makes selfish demands that force him and Leonard to reconsider their long-time friendship; Howard is in the process of picking his astronaut name.

Sheldon clashes with his nemesis Kripke at work when an office at the university opens up; a gift from Amy makes Penny feel uncomfortable with the gesture.

A change in Sheldon's routine makes him reevaluate his life when his barber gets sick; astronaut training causes Howard to rethink his trip to space.

Sheldon makes a bold choice when he chooses to stay for an all guys' 48-hour gaming weekend rather than go with Amy to her aunt's birthday party.

Penny decides to buy Leonard and Sheldon "Star Trek" collectibles as a friendly gesture, but Sheldon accidentally breaks Leonard's Mr. Spock; Raj's future wife.

Howard's wedding plans are put in peril when the guys throw him a bachelor party; Bernadette reconsiders marrying Howard after learning about his history.

Howard must face his fears when NASA decides to move up the scheduling of his mission, which could put the wedding plans in jeopardy.

NHL forward Wyatt Johnston and Howie Mandel set up NHL defenseman Lian Bichsel at a restaurant where a romantic proposal meltdown turns him into the villain.

When Howard and Bernadette decide to finally get married before his NASA launch, the gang all works together to put on a decent wedding for the couple.

Raj must deal with potential loneliness with his friends being out on dates; Howard is caught in the middle of an argument between his mother and Bernadette.

Sheldon must find a way to keep a secret under wraps when he discovers that Penny is thinking about breaking up with Leonard, so he tries to intervene.

Michael thinks he impressed the new boss but learns that someone else caught her eye; Dwight makes trouble for Jim on his first day back; Andy and Erin's date.

The sales people go overboard after letting Sabre's new policy go to their heads, so Michael hides their new leads in an effort to reign them in.