Amy lies to Sheldon about repairs being done to her apartment in an effort to keep her living situation from changing; Penny secretly moves Leonard's items.
Chandler has mixed feelings when his mom, a romance novelist, comes to New York to visit; meanwhile, Monica and Phoebe compete for the "attention" of Coma Guy.
Ross refuses to find out the sex of his baby until it's born; Chandler and Joey go shopping for a new kitchen table and come home with a Foozball table.
After Chandler accidentally sees Rachel topless after a shower, she demands to see him naked in return; no one can stand Phoebe's irritating new boyfriend.
Monica's gourmet meal is wasted on a stoned food critic that will eat anything; Ross has a date with a beautiful colleague who is interested in his monkey.
Jay and Gloria invite everyone over for barbecue and football, but an earlier incident at school and the utterance of an unflattering label make things awkward.
The whole family supports Manny in his fencing ambitions, but Jay's enthusiasm triggers an old wound for Mitchell; Phil tries to find Luke's hidden talents.
Claire decides to surprise Phil with a really great present, only to be surprised herself; Cameron and Mitchell go out for a night on the town with a friend.
SpongeBob and Patrick exchange miniaturized versions of themselves; Plankton tells his grandmother he owns the Krusty Krab, then she comes over for a visit.
Lady Upturn introduces a talented Squidward to her high society friends; Squidward sets out to prove that aliens aren't real and has a close encounter.
SpongeBob experiences a bad luck streak when his lucky tie clip suddenly goes missing; when Patrick can't fall asleep, he seeks assistance from the Sandman.
Buster Moon and his friends prepare for their new show in the entertainment capital of the world, but they must convince a reclusive rock star to join them.
When SpongeBob discovers that Patrick is sleepwalking, he tries just about everything to try and wake him up, but no matter what he does, he can't wake him.
Joey falls for Phoebe's twin sister, Ursula, making Phoebe feel neglected; Chandler has trouble firing an attractive employee; Ross has parenthood doubts.
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.
Sheldon is determined to persuade Amy that they should procreate; Koothrappali struggles to tell the group about what the woman he is dating does for work.
Sheldon becomes jealous when Bert is awarded the MacArthur Genius Grant; Howard finds a remote control Stephen Hawking action figure he previously designed.
Sheldon attempts to give Amy her annual birthday present, but the couple is constantly interrupted; Bernadette is rushed to the hospital as she goes into labor.
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.
Claire feels inadequate after an old friend visits; Jay has an unsettling moment in the locker room with Cameron; Mitchell helps Gloria with legal issues.