Adjusting to life as an engaged couple, trouble arises when Molly wants to start planning the wedding and Mike wants to go fishing with the guys.
Mike's mom, Peggy, is in for a big surprise when she celebrates her boyfriend, Dennis' birthday.
Mike in the House
When Mike moves in with Molly and her family, he has to adjust from life in his bachelor pad to a house full of women.
'57 Chevy Bel Air
Mike gets in hot water when Molly finds out he purchased Vince's used car, a 1957 Chevy Bel Air, without consulting her first. Mike learns that as an engaged couple saving for their marriage, they now need to make financial decisions together.
Victoria Runs Away
Despite Mike's good intentions, he adds fuel to the fire when he finds himself caught in the middle of a fight between Molly and her family.
Mike's spooked when Molly's boss invites them to a party on Halloween, a holiday he dreads.
Carl Meets a Lady
Carl tries to make a love connection and get a date with an attractive woman who's clearly out of his league.
Peggy Gets a Job
When Mike encourages his mom, Peggy, to get a job, he never imagines how it will interfere with Molly's life.
Mike's been cheating, but not on Molly! As Thanksgiving Day approaches, Mike starts cheating on his diet and hiding it from Molly.
Molly Needs a Number
When Molly is overwhelmed with Thanksgiving preparations and wedding planning, she asks Mike to help, with mixed results.
When Molly gets disappointing news at work, she is thrown into a funk that threatens to ruin Christmas.
Carl Has Issues
Carl is confronted with his fear of commitment when he and Christina attempt to take their relationship to the next level. Can he handle a serious relationship? His Grandma doesn't think so!
Victoria Can't Drive
When Victoria is arrested for various driving violations, Molly and Joyce ask Mike to help spring her from jail.
Joyce drives Vince crazy with jealousy when she agrees to have dinner with her ex-boyfriend.
When Mike realizes he forgot to make dinner reservations for Valentine's Day with Molly, he gloms onto Carl's elaborate holiday plans with his girlfriend, Christina.
When Molly learns that Mike hasn't had a birthday party since he was nine years old, she decides to throw him a surprise party. Meanwhile, Samuel dates a girl he met through an online dating service.
Mike Likes Lasagna
When Molly suggests that she and Mike write their own wedding vows, Mike gets worried until Carl tells him to write his vows like he's describing how much he loves lasagna!
Peggy Goes to Branson
When Peggy goes out of town, she leaves her beloved dog, Jim, with Mike and Molly, telling them it will be good practice for having children.
Molly Can't Lie
When Mike and Molly meet with the priest at Peggy's church, Molly's outspoken and forthright nature winds up costing them their wedding chapel.
With three weeks to go before the big day, Molly discovers that her wedding dress is too tight during her final fitting. Putting her dieting into overdrive, Molly's about to have a meltdown.
When Mike's dad comes to town early for his son's bachelor party, Peggy decides she should attend Molly's bachelorette bash -- and proceeds to turn it into a raucous affair.
With only two days to go before the big day, Mike and Molly stage their wedding rehearsal -- with disastrous results when it's upended by their family and friends.
Chaos ensues on Mike and Molly's wedding day as anything that can go wrong, does in the second season finale. Watch as they finally make their trip down the aisle and tie the knot.
The Honeymoon Is Over
Mike and Molly leave their honeymoon and embark on married life together. While Mike is inspired by their honeymoon trip to Paris to change his life and travel the world, Molly wonders how their friends and family ever managed at home without them.
Vince Takes a Bath
When Vince throws out his back, Joyce disappears, leaving Mike and Molly to care for him. Meanwhile, the newlyweds struggle to write thank-you notes for their wedding gifts.
Mike Likes Cake
Molly is mortified when she reviews her wedding photos and sees that Mike either has his mouth open or his eyes closed in every single shot.
Molly in the Middle
Mike and Molly decide they're ready to start trying for a baby. Meanwhile, Carl gets upset when he learns that Molly is still spending time with Christina after their breakup.
Mike is put in an uncomfortable situation when his mom starts dating his boss, despite his many reservations.
With the house feeling crowded, Molly decides to have a yard sale, while Mike and the guys take Carl on a fishing trip to help him forget his breakup with Christina.
Thanksgiving Is Cancelled
When Mike gets sick for Thanksgiving, Molly is excited that she won't have to cook until Vince invites his brother, Frankie (Jon Polito), to town for a homemade Thanksgiving meal.
Mike Likes Briefs
When Mike gets nervous after Molly doesn't get pregnant after weeks of trying to have a child, he turns to Carl and Samuel for advice.
Mike Takes a Test
Does Mike have what it takes to become a detective? Molly encourages Mike to pursue a detective position on the force, but the stress of taking the qualification exam starts to take a big toll on their relationship.
Mike dresses as Santa, but feels more like the Grinch when he can't contain his frustrations over Molly's Christmas spending.
Fish for Breakfast
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.
Mike prepares to spoil Molly for her birthday, but his plans go awry after he eats psychedelic gelato made by Victoria's friend, Tom, and goes on an unexpected trip.
Carl Gets a Roommate
Mike begins transforming the basement into a living area for he and Molly to live in, but the construction work is more than he or his eyebrows can handle! Meanwhile, Carl invites Samuel to move in with him.
The Princess and the Troll
Mike and Molly encourage Harry to take Victoria on a date for Valentine's Day, and everyone is shocked when she accepts. Meanwhile, Carl convinces Samuel that they will be able to meet women at the laundromat during the holiday.
Mike the Tease
Mike studies male fertility and visits a clinic to ensure that his "swimmers" are up to the task of starting a family with Molly. Meanwhile, Vince gets a new job selling vacuum cleaners door-to-door.
Molly's New Shoes
Molly enjoys some retail therapy and goes off on a shopping spree after Mike storms off over a disagreement and disappears at the mall.
St. Patrick's Day
Carl and Samuel host a St. Patrick's Day party in hopes of attracting some lucky ladies. Meanwhile, Molly reveals juicy secrets from her previous St. Patrick's Day excursions to Mike.
Molly joins her sister on a Spring Break road trip to party with Victoria's friends from junior college, while Mike pulls some strings with his boss for some overtime assignments.
Even though Mike's birthday wish is to have his wife and mother get along, Molly and Peggy can't seem to play nice as they try to plan his birthday party together. Meanwhile, Carl and Samuel compete for the same woman.
Mike Can't Read
After learning that Joyce gave up her artistic talents when she became a mother, Molly decides that she and Mike need to pursue new hobbies before becoming parents. Consequently, Molly encourages Mike to take up roller-skating with her!
Molly's Out of Town
Mike goes on a junk food binge to cope with missing Molly, while she's away. Meanwhile, Carl contemplates leaving Chicago after learning heartbreaking news from James.
Molly is so focused on directing a school recital that she doesn't notice a fellow teacher hitting on her. Meanwhile, Vince talks Mike into joining an unusual money-making scheme.
In the third season finale, Mike and Carl get stuck working at the Renaissance Faire after their boss, Captain Murphy, gets dumped by Mike's mother. Later, as a tornado descends on Chicago, Mike and Molly each confess important news to each other.
Molly finds herself at a crossroads with her career and makes a huge decision to leave teaching to become a writer.
The First and Last Ride-Along
Molly goes on a ride-along with Mike and Carl to research a crime novel she wants to write.
Sex and Death
Molly has a "mind blowing" experience when she visits Victoria's workplace, a funeral home. Meanwhile, Mike sneaks a peek at Molly's racy writing when she's out of the house.
Careful What You Dig For
Molly gets advice from her literary idol, J.C. Small that has her digging up dirt on her family.
Poker in the Front, Looker in the Back
Molly recruits Joyce to spy on her suspicious next-door neighbor, while Mike and the guys get together for a poker game and end up sharing their hopes and dreams.
Shoeless Molly Flynn
Molly needs to adjust her spending habits on shoes if she wants to maintain harmony in her marriage with Mike.
They Shoot Asses, Don't They?
After being shot during a robbery, Mike decides he needs to live every day like it's his last. As a result, he tells Carl it's time for him to quit the police force.
What Molly Hath Wrought
Molly decides to take a break from writing her novel and accepts a job as a forklift driver at Vince's warehouse -- with mixed results.
Mike & Molly's Excellent Adventure
Molly is determined to get Mike out of his routine and encourages him to embrace anything they want in life. They try new things together, until reality sets in and it's time to pay the bill.
Weekend at Peggy's
Following a dramatic argument with Joyce over money, Mike and Molly move into Mike's childhood room at Peggy's.
Dips & Salsa
Mike asks Carl to replace him as Molly's dance partner at a salsa class, but gets jealous when he realizes they're having way too much fun.
Mind Over Molly
Molly grudgingly goes to a therapist at Mike's urging.
Open Mike Night
A confident Molly offers her wisdom to Samuel who now wants to be a standup comic. Meanwhile, Molly's advice to Harry causes him to challenge his protective mother.
Rich Man, Poor Girl
Victoria brings home a new boyfriend, James and the entire family wonders if he's finally "the one."
Three Girls and an Urn
Molly meets the best buddy of her dreams when Peggy's childhood friend, Kay McKinnon comes to town, but Peggy is not keen on sharing.
The Dice Lady Cometh
Molly looks to win some extra cash when she and the girls head to a riverboat casino for the weekend. Meanwhile, Mike and Vince try to enjoy some college basketball with the guys.
McMillan and Mom
Carl, Mike and Samuel take a road trip to Memphis to meet Carl's mother for the first time.
Mike's Manifold Destiny
Mike learns a lesson after his car breaks down and he's forced to decide whether or not to accept a loan from Carl to fix it.
Who's Afraid of J.C. Small?
Mike and Carl arrest Molly's literary hero, J.C. Small, for driving under the influence.
Sex, Lies and Helicopters
Molly catches Carl coming out of Victoria's room late at night, leaving her questioning whether or not she will tell Mike.
This Old Peggy
Mike wants Peggy to see a doctor after her bathtub falls through the ceiling.
Eight is Enough
Molly gets accepted into an elite eight-week writers' workshop in Iowa, but faces a big decision when Mike asks her not to go.
The Book of Molly
Molly returns home after eight weeks at a writers' workshop with great news: she's getting published and scored a big book advance.
To Have and Withhold
Molly has writer's block and she might lose her big advance if she doesn't cure it fast.
'Tis the Season to be Molly
Mike assures Molly he'll be home in time for Christmas until he and Carl end up in the back of a stolen truck. Meanwhile Vince upsets some Flynn family traditions.
Carl invites Victoria on the guys-only fishing trip.
Molly's Neverending Story
Molly annoys everyone with her numerous book drafts.
The Last Temptation of Mike
Mike feels guilty after flirting with a rookie cop.
Support Your Local Samuel
Samuel contemplates moving back to Africa when he receives a letter from his parents saying they're struggling financially.
Molly urges Mike to go to the doctor when she learns that he hasn't been in over a decade.
Hack to the Future
Molly faces a dilemma when her publisher asks her to make a provocative change to her book.
Mike is forced to arrest Joyce for a DUI after she refuses to take a breathalyzer test at a checkpoint.
Mike and Molly are excited to finally have the house to themselves for the whole weekend.
The World According to Peggy
Molly plans a party for Peggy after hearing that she's suddenly retiring.
Buy the Book
Excited that her book is finally out and available for purchase, Molly worries that no one will buy it by obsessively refreshing the book's website to see if its selling.
What Ever Happened to Baby Peggy?
Peggy makes Molly do chores in exchange for sharing tantalizing stories from her past for Molly's second book.
When Mike hits a personal best weight loss goal, he makes the risky decision to indulge in a slice of pie.
Cocktails and Calamine
Molly is nervous about Mike attending a celebratory party her publisher is throwing for her and Peggy. And Mike's feelings are hurt when she doesn't want him to go.
Mudlick or Bust
Molly surprises Peggy by reuniting her with her estranged sister, Rosemary, when they take a road trip to Peggy's hometown of Mudlick.
No Kay Morale
When Peggy's depressed friend Kay returns to town, Molly is determined to find a way to lift her spirits.
Mother From Another Mudlick
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.
Fight to the Finish
When Molly gets angry with Mike for not listening to her vent about writing with Peggy, they go their separate ways for a day.
Near Death Do Us Part
After Carl has a near-death experience while on duty, he tells Mike he's going to propose to Victoria. But can Mike keep a secret?
The Bitter Man and the Sea
On the fifth season finale, Mike and Molly are forced to "uninvite" Carl to their anniversary cruise following his nasty breakup with Victoria.
Cops on the Rocks
Mike and Carl go to couples counseling to try and reconcile their partnership. Also, Molly decides to do a promotional radio interview on her own after Peggy elects not to participate.
One Small Step for Mike
Molly hopes that a fitness device will encourage Mike to be more active and take better care of himself, but Mike has other plans for it.
Peg O' My Heart Attack
Mike blames Molly for his mom's heart attack following a heated argument, and now Molly wants to make amends.
Mike becomes hyper-vigilant after his wallet is stolen from the squad car while taking a nap.
Joyce's Will Be Done
Molly is shocked when Joyce revels that she's leaving the house to Victoria in her will.
The Good Wife
Molly's leisure activities between novels become an issue with Mike, as he wants her to be the perfect homemaker.
Weekend with Birdie
Mike brings home a stray puppy for the weekend, but Molly has difficulty warming up to it.
The Wreck of the Vincent Moranto
Mike is upset and disappointed when Vince bails on finishing a do-it-yourself project they started together.
Baby, Please Don't Go
Molly brings home a pregnant former student she discovers is homeless.
When Mike and Molly realize Frannie 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.
The Adoption Option
Mike and Molly need everyone to be on their best behavior when the adoption agency schedules a home visit.
Curse of the Bambino
Carl convinces Mike to go with him to see his psychic and Peggy drags Molly to her church to pray for something they've all been waiting for.
I See Love
Mike and Molly gather with family and friends for a momentous occasion to reminisce about everything that has gotten them to this point - complete with an epic standoff between Joyce and Peggy.