Mike and Molly gather with family and friends for a momentous occasion and reminisce about everything that led to this point.

Joyce conveniently disappears after a back injury renders Vince practically immobile, and that leaves Mike and Molly to take care of him. Meanwhile, the newlyweds are still laboring over personalized thank-you notes for their wedding presents.

Peggy gets a big surprise when she celebrates her boyfriend's birthday.

Despite Mike's good intentions, he adds fuel to the fire when Molly and her family get in a fight.

When Mike encourages his mom, Peggy, to get a job, he never imagines how it will interfere with Molly's life.

After forgetting to prepare for Valentine's Day, Mike takes advantage of Carl's elaborate plans with Christina (Holly Robinson Peete).

Mikes invites Molly over to his apartment, but a call from his mother interrupts his plans for romance.

Mike's dad comes to town early to attend Mike's bachelor party, which prompts Peggy to attend Molly's bachelorette event.

Molly and Joyce ask Mike for help when Victoria is arrested for a number of driving violations.

Mike's big plans for his first Valentine's Day with Molly are thrown into jeopardy after he accidentally runs into Molly's ex-boyfriend.

Carl tries to get a date with an attractive woman (guest star Holly Robinson Peete) he meets at the diner.

Molly is ecstatic to be accepted into a prestigious eight-week writer's workshop, but Mike isn't thrilled about having his wife gone for the entire summer.

Mike and Molly have to deal with several problems as they make their way to the altar.

Mike feels pressured when Peggy's new boyfriend asks whether he and Molly hear wedding bells in their future.

Molly decides to throw Mike a birthday party to make up for the fact that he hasn't had one since he was 9-years-old; Samuel dates a girl he met online.

Victoria panics as her 30th birthday approaches, and drags Mike and Molly into her "life crisis".

After Peggy's bathtub falls through the ceiling, Mike wants Peggy to go to a doctor.

Mike is forced to set up his mom with his boss, despite his many reservations.

Peggy goes on vacation and leaves Mike and Molly in charge of her dog, claiming that it's good practice for when they have children.

After getting disappointing news at work, Molly goes into a bad state which threatens to ruin Christmas.

Mike tries to find a perfect gift for his very first Christmas with Molly.

When Joyce invites Vince to attend her high school reunion, Vince confesses to Mike that he never graduated high school, and convinces Mike to help him study for his GED.

Molly tries to win some extra cash during a trip to a riverboat casino with the girls; Vince and Mike watch college basketball with the guys.

Mike's mom and Molly argue about who can take better care of him when he gets ill.

Two days before their wedding, Mike and Molly arrange their wedding rehearsal which turns into a disaster.

When Mike and Molly meet with the priest at Peggy's church, Molly's forthright nature winds up costing them their wedding chapel.

When Molly suggests that she and Mike write their own wedding vows, he finds it hard to swallow, until Carl provides him with some food for thought and tells him to just pretend he's describing his favorite meal - lasagna.

Mike tries to adjust after he gives up his bachelor pad and moves in with Molly and her family.

Molly isn't happy when Joyce's boyfriend Vince tries to become friends with Mike by inviting him to a basketball game.

Molly wonders if she should tell Mike when she sees Carl coming out of Victoria's room late at night.

Mike and Molly need everyone to be on their best behavior when the adoption agency schedules a home visit.

Mike invites Carl on a double date when he becomes jealous of the time Mike is spending with Molly.

When Molly is swamped with Thanksgiving preparations and wedding planning, she asks Mike to help, with mixed results.

Carl faces his fear of commitment when his relationship with Christina takes a serious turn.

Molly has a “mind-blowing” experience when she goes to Victoria’s workplace, a funeral home, to research her novel. Meanwhile, Mike sneaks a peek at Molly’s writing when she’s out.

Mike gets a taste of living with Molly's mom and sister after Molly insists he spend the night at her place.

Molly gets upset when she reviews her wedding photos because in every picture Mike's mouth is open or his eyes are closed. Meanwhile, Carl gets jealous when Christina's ex-husband comes back into her life.

Carl and Samuel hope for a little luck o' the Irish when it comes to picking up women at their St. Patrick's Day party, while Molly does a little Erin go bragging when she tells Mike about some of her holiday shenanigans.

Molly is nervous about Mike attending a celebratory party her publisher puts on for her and Peggy.

Molly's leisure activities between novels become an issue when Mike wants her to be the perfect homemaker.

Mike and Carl go to couples counseling to try to reconcile their partnership. Also, Molly decides to do a promotional radio interview on her own after Peggy decides not to participate.

Mike becomes hypervigilant after his wallet is stolen from the squad car while taking a nap.

When a despondent Kay returns to town, Peggy is thrilled to welcome her back to coexist in her mundane existence. However, Molly is determined to find a way to restore Kay’s joie de vivre. Also, Mike and Carl work crowd control at a rally for public breast feeding

Mike meets his Aunt Rosemary for the first time and is instantly smitten by her warmth and positive attitude – which is the polar opposite of his mother

Molly gives Mike a device that will track his activity in hopes of helping him get healthier and take better care of himself, but Mike has other plans.

Mike brings home a stray puppy for the weekend but Molly has difficulty warming up to it.

Mike thinks Carl is out of line when he invites Victoria to go on what is supposed to be a men-only fishing trip.

After Carl has a near-death experience while on duty, he tells Mike he’s going to propose to Victoria.

When Molly finds herself at a crossroads with her career, she makes a huge decision.

Mike blames Molly for Peg's heart attack following a heated argument and now Molly wants to make amends.

Molly’s excited her book is finally out and available for purchase, but worries obsessively that no one will buy it.

Molly joins Victoria and her junior-college friends on a spring-fling getaway, while Mike works the Captain for some overtime assignments to earn some extra cash.

Samuel contemplates moving back to Africa when he receives a letter from his parents saying they’re struggling financially.

Molly plans a party after hearing that Peggy is suddenly retiring.

When Mike and Molly realize Frannie (Juliette Goglia) doesn't have a plan in place for after the baby is born, Molly decides to help by reuniting her with her estranged sister, Maura (Jessy Hodges).

Mike and Molly are excited to finally have the house to themselves for the whole weekend.

After fighting with Joyce about money, Molly and Mike move into Mike's childhood bedroom at Peggy's place.

Molly surprises Peggy by reuniting her with her estranged sister, Rosemary, when they take a road trip to Peggy’s hometown of Mudlick. Also, Vince and Mike experience father-son bonding when they work together to fix the water heater.

When Mike reaches a weight-loss goal -- his personal best -- he decides to celebrate by indulging in a slice of pie.

Mike smiles with joy after seeing Molly's advance check after she returned home from an eight week writing shop telling him she's been published.

Molly needs to adjust her spending habits on shoes if she wants to maintain harmony in her marriage.

Mike is forced to uninvited Carl to his anniversary cruise after Carl’s nasty break-up with Victoria.

Molly gets angry at Mike for not listening to her vent about writing with Peggy and they go their separate ways for a day.

The entire family wonders if Victoria has finally met the one when she brings a new boyfriend home.

Mike is upset when Vince bails on finishing a Do-It-Yourself project they started together.

Molly accepts a job as a forklift driver at Vince's warehouse when she decides to take a break from writing her novel.

Mike prepares to spoil Molly for her birthday, but his plans go awry after he eats psychedelic gelato made by Victoria’s friend Tom.

When Molly decides to start a career as a crime novelist, she goes on a ride-along with Mike to research her first book.

Molly is shocked when Joyce reveals she's leaving the house to Victoria in her will.

When Mike gets sick for Thanksgiving, Molly is excited that she doesn’t have to cook – until Vince invites his brother to town for a homemade Thanksgiving meal.

When they spend way too much time working together during a snowstorm, Mike and Carl begin getting on each other's nerves.

After spending the weekend with Molly, Mike tries to follow Carl's advice to play it cool.

Mike is forced to arrest Joyce for a DUI after she refuses to take a breathalyzer at a checkpoint.

When Molly starts writing multiple drafts of her book, she starts to irritate Mike and the rest of the family.

Molly believes her suspicious next-door neighbor is up to no good and recruits Joyce to help her spy on him. Meanwhile, the guys get together for a poker game and end up sharing their dreams and aspirations.

In an effort to boost their chances of getting pregnant, Molly encourages Mike to join her in giving up caffeine and eating healthier, causing them both to have major withdrawals.