Manny convinces the family to join the wedding when Dede gets remarried; Jay is ecstatic that Dede is moving on for good; Claire and Mitchell work on toast.
Jay tries to give a good first impression to the new neighbors across the street and goes out of his way to do so; Manny decides to try to get a girlfriend.
Jay's only sanctuary and favorite place in the world begins to lose its charm when Phil starts to think about becoming a member; Claire misjudges her influence.
Phil tries to get used to the fact that Rainer Shine is dating his daughter while Hayley must tell her father that she would rather spend Thanksgiving with him.
Hayley's idea for a fun girls' day with Rainer Shine's teen daughter turns out to be more angst-filled than she thought; Luke falls into a damaging situation.
Manny and Luke agree to throw the school's lavish winter dance but soon end up in a mess due to a texting error; Gloria, Claire, Mitchell and Cam volunteer.
Cam decides to make up for Thanksgiving by making a New Year's Day feast, though his second attempt fails too; Mitch decides to use a "concierge gift card."
Sheldon contends against President Hagemeyer's boss over science requirements; Mary discovers that Georgie is working at Meemaw's illegal gambling room.
Sheldon contemplates on how to stop thinking as he struggles to focus; George Sr. visits Brenda Spark's house to take over the handman responsibilities.
Sheldon arrives at his dorm and is delighted to find that he has been assigned a room all to himself; an unwanted partner goes into business with Meemaw.
Rachel sprains her ankle when she tries to take down her Christmas lights on the balcony; Phoebe manages damage control when Ursula breaks Joey's heart.
Rachel interviews for a job as an assistant buyer at Saks Fifth Avenue; a usually docile Ross gets ugly during a poker game between the girls and guys.
Chaos ensues when Marcel escapes the apartment during Rachel's babysitting watch; Ross' attempts to woo Rachel are interrupted by the return of her ex-fiancé.
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 is determined to catch the thief that stole her credit card; Ross tries to get his monkey accepted into a zoo so that he can be with his own kind.
The guys are uncomfortable with Carol's breast milk; Rachel is uncomfortable with Monica's growing friendship with Julie; Joey works as a cologne salesman.
The gang is amazed to learn that Phoebe married a gay Canadian ice dancer to help him get his green card; Ross seeks sexual advice from Rachel regarding Julie.
Now that he is completely cut off from the support of his father's wealth, Raj convinces Sheldon into making sure he is able to climb out from under his debt.
Sheldon helps Leonard, Wolowitz and Amy with projects all on the same day; Bernadette must get ready to return to work as she finishes her maternity leave.
Leonard, Sheldon and Wolowitz receive a distressing surprise after their Air Force project; Amy is asked to be a visiting researcher during the summer.
Howard and Sheldon bond while traveling towards the desert to launch a model rocket; Leonard feels slighted when his mother makes Penny her new best friend.
When a copy editor is given a reporting assignment that requires her to pretend to be a high-school student, she learns not to make the same mistakes again.
Phil is worried about his romance with Claire and brings out his alter ego Clive Bixby to help him on Valentine's Day; Jay starts to show child favoritism.
Phil is forced to rethink his plan for the property when the renovation efforts turn out to be in vain; Cam is taken to the hospital for a head injury.