Joy and Eddie decide to get separate beds after years of putting up with each other's sleep habits. Meanwhile Eddie's new principal turns out to be a former student with an agenda.
Eddie and Joy's free-spirited daughter, Ally, returns from a trek in the Ecuadorian rain forest with her new husband, Doug. When Ally and Doug decide to set up camp in a trailer in the Starks' backyard, they ultimately ruin Eddie's plans for installing a Jacuzzi. Meanwhile, Eddie and Joy attempt to overcome their dislike of Doug and accept him as a member of the family.
When Joy loses her job at the travel agency, she must use her best assets to find work elsewhere. Meanwhile, Eddie takes Doug to his favorite restaurant.
When Doug's father gives him and Ally a large sum of money, they struggle with the decision to keep it or give it back. Meanwhile, Eddie decides to write a book about the Hindenburg disaster.
When Eddie buys a high-definition television without checking with Joy first, she decides to join in the spending spree. Meanwhile, Doug suspects he is living on a sitcom.
When Eddie attends their annual baseball game date without Joy, they realize that they can have separate lives, but at what cost? Meanwhile, Ally and Doug try to save a tree but end up causing a tree disease epidemic in the neighborhood.
Eddie and Joy pick sides when their friends break-up, but when they get back together it ends up costing them.
When Joy convinces Eddie to visit Simona for an annual check-up, he catches a nasty head cold before his big interview with a Hindenburg blimp survivor. Meanwhile, Joy can't understand why Simona won't pay her a compliment.
When the Starks meet Simona and Stephen for dinner, they decide to ditch them with the bill resulting in an all-out dining war between the couples. Meanwhile, Joy makes Eddie's life miserable at work.
When Eddie befriends a new teacher at school, they find they have a lot in common, but Ms. Duffy has other plans for their relationship. Meanwhile, Eddie and Joy reminisce about the music they loved in the 1980s.
Eddie tries to get a raise so he and Joy can go on vacation, but he has a tough time convincing his principal. Meanwhile, Doug's delusion that he is a character on a sitcom gets even worse.
When Joy and Eddie meet their rather unconventional new neighbors, Tommy (guest star Gottfried) and April Campbell, Eddie can't seem to get the idea of being with a younger woman out of his head. Meanwhile, Eddie and Joy hold a yard sale, and the new neighbors want to buy everything they're selling.
It's the night before Ally and Doug's big day, and everyone is nervous about what tomorrow will bring. Consequentially, everyone dreams up a different wedding disaster.
When Joy's mother pays her daughter a visit, she drives Joy up the wall with her constant criticism, and Eddie makes a valiant attempt to ease the tension. Meanwhile, Eddie meets with a publisher who wants to turn Eddie's manuscript into a children's picture book.
Eddie and Joy want to downgrade to a smaller house, but Doug and Ally aren't ready to move out on their own. Meanwhile, when Duffy dumps Whitey (guest star Martin Mull), he moves in with Eddie and Joy as a way of coping, but he quickly overstays his welcome and Joy wants him out.
When Ally and Doug announce that they're going to be parents, Joy has a meltdown about becoming a grandmother, forcing Eddie to call in his mother-in-law for help.
Eddie becomes annoyed by his students' use of cell phones in class, and soon learns that he and Joy are the only ones not infatuated with the latest technology. When Mr. White decides to drag Eddie into the 21st century, Eddie develops a technology addiction of his own.
Eddie feels self-conscious when Tommy (guest star Gottfried) and Mr. White (guest star Mull) boast about their endowments, so Joy does her best to convince him that being average is just fine. Meanwhile, Doug and Ally have their first sonogram, and it appears that their unborn son doesn't take after Eddie.
When Joy loses her job at Eddie's school, she accepts a position as Stephen's (guest star Nealon) executive assistant. The new gig leaves her miserable, leading Eddie and Mr. White (guest star Mull) to scheme a way to get Joy her old job back.
Joy goes overboard planning for Ally's baby shower and becomes obsessed with baby gifts. Meanwhile, Mr. White has difficulty giving Ally and Doug their shower gift, and Dr. Bialik invites her "Blossom" castmates to participate in a therapy session for Doug.
When Whitey decides to throw a surprise party for his 93-year-old grumpy uncle, his party guests are surprised to discover that Whitey is a hoarder and his house is overflowing with junk. Meanwhile, Eddie is in a rush to get to the party but Joy, Doug and Ally all take their time getting ready to go.
Eddie's book finally gets published, but on the day of his book signing, Ally goes into labor and everyone shows up to welcome the new addition to the family. Meanwhile, Eddie gives Doug fatherhood tips, and Ally apologizes to Joy for being a terrible daughter.