Leonard's newly-divorced parents and Sheldon's religious mother arrive in town; Wolowitz and Koothrappali are convinced that the government is out to get them.
Claire recruits the family's help to declutter their home; Cameron frets over Jay's dangerous new pastime activity; Mitchell teaches Gloria how to play golf.
Claire and Phil take on a new dynamic, as Claire runs the closet business and Phil remains behind the scenes, causing Phil to get fed up with being ignored.
Phil's new client happens to be "his type" so he lies to Claire about her; Gloria believes that her yoga teacher is attracted to her and asks Claire to come.
When Claire brings home a stray dog and asks the kids to help her hide it, Phil takes her evasive behavior as a cry for attention; Gloria invites a couple over.
Claire is on high alert when she becomes convinced that there is a mole in her company before Closet-Con; Phil and Gloria confront Auntie Alice for stealing.
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.
Sheldon takes personal action when Meemaw won't take him to a lecture with Dr. Linkletter; Georgie attempts to impress Veronica with a business venture.
Rachel panics during her baby shower, realizing she's unprepared to care for an infant; Monica tries to atone for forgetting to invite Sandra, Rachel's mother.
After Monica's restaurant gets a bad review in the Post, Monica decides to join a cooking class; Chandler wants to make a good impression for a job interview.
Rachel, Ross and Joey get together in a room and figure out that no one was actually going to propose; Mr. Geller walks in on Monica and Chandler having sex.
Monica thinks Chandler is sexually attracted to sea life after he switched the station from porn to the nature channel in order to conceal his sordid viewing.
In the aftermath of Sheldon's mother having an intimate evening with Leonard's father, the gang is left to deal with an uncomfortable morning the next day.
The guys experience tension while working nonstop to complete the task that was delegated to them by the government; Amy and Penny attend a house party.
Sheldon agrees to Amy's proposal for them to try out a "cohabitation experiment" after her apartment is flooded; Howard and Bernadette's baby's gender.
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.
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.
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."
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.