When Peggy breaks up with Patrick, Mike tries to reunite them; as a tornado reaches Chicago, Molly and Mike reveal important news to each other.
Two days before their wedding, Mike and Molly arrange their wedding rehearsal which turns into a disaster.
Mike and Molly have to deal with several problems as they make their way to the altar.
When he realizes that he forgot to make dinner reservations for his Valentine's Day with Molly, Mike tries to piggyback on Carl's plans with Christina.
When Peggy goes out of town, she leaves Jim with Mike and Molly in an effort to have them practice what having kids will be for them.
Mike's birthday wish is to have his wife and mother get along, but Molly and Peggy butt heads more than ever as they try to plan his birthday party together. Meanwhile, Samuel and Carl compete for the same woman.
Molly throws Mike a surprise birthday party after learning he hadn't had one since he was a child. Meanwhile, Samuel tries online dating.
Molly is so focused on directing a school recital that she doesn't realize a fellow teacher is hitting on her. Meanwhile, Vince convinces Mike to join him in an unusual money-making scheme.
Mike is frustrated when Molly suggests they write their own wedding vows, and Carl comes up with an interesting approach to the task.
Mike's special plans for Molly's birthday are put in danger when he unexpectedly eats psychedelic food made by Victoria's friend.
After getting disappointing news at work, Molly goes into a bad state which threatens to ruin Christmas.
Molly reveals some juicy information about her past to Mike. Meanwhile, Carl and Samuel hold a St. Patrick's Day party hoping to meet women.
Mike goes on a junk food binge to cope with missing Molly while she is out of town for a teacher's conference. Meanwhile, Carl contemplates leaving Chicago after learning heartbreaking news from James.
Joyce's decision to have dinner with an ex-boyfriend doesn't sit well with Vince.
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, so they take up roller skating.
Molly and Mike are left without a wedding chapel when Molly's attitude doesn't sit well with the priest.
It has been weeks since Mike and Molly have been trying to get pregnant, prompting Mike to seek advice from Carl and Samuel.
In hopes of easing their chance to make a baby, Molly talks Mike into giving up caffeine and eating healthier, causing withdrawal issues for both.
Molly joins her sister on a spring break road trip to party with Victoria's friends from junior college. Meanwhile, Mike pulls strings with his boss to get special overtime assignments in hopes of making extra money.
Mike is scared when Molly's boss asks him to attend a party on Halloween, the one holiday he is afraid of.
Mike starts construction on the basement in the Flynn house, but it turns out to be a more of a challenge than he thought. Meanwhile, Samuel becomes Carl's new roommate.
Harry decides to ask Victoria out on a date for Valentine's Day, and she surprisingly accepts. Meanwhile, Carl and Samuel try to pick up women at the laundromat.
An exhausted Molly wants Mike to help her out with Thanksgiving preparations and wedding planning.
Joyce bails when Vince throws out his back, forcing Mike and Molly to take care of him. Meanwhile, the newlyweds also have trouble writing personalized thank-you notes for their wedding gifts.
Molly is put in a state of shock when she can't fit in her wedding dress just three weeks before the wedding.
Mike is frustrated when Molly's Christmas spirit takes over and starts spending a lot of money. Meanwhile, Victoria new karaoke machine is the main attraction at the Flynn home, and Peggy forces Mike and Molly to spend Christmas Eve with her and the Captain at church.
When Victoria ends up getting arrested for various traffic violations, Molly and Joyce turn to Mike for help.
Mike has no idea that encouraging his mother to get a job might cause drama for Molly.
Mike decides to try for a detective position but, even with Molly's encouragement, getting ready for the exam stresses them both out.
Molly couldn't be happier that she doesn't have to cook Thanksgiving dinner when Mike gets sick. But when Vince asks his brother to join them for dinner Molly pitches in. Being engaged for a year, Joyce decides to press Vince marriage. Carl takes Samuel with him to the Thanksgiving dinner at his church with the expectation of meeting some young women.
morelessMike decides to take things into his own hands and find out if he is fertile enough to make a baby with Molly. Meanwhile, Vince starts working as a door-to-door vacuum cleaner salesman.
When she realizes that her house is becoming too crowded, Molly decides to have a yard sale. Meanwhile, Mike and his friends take Carl for a fishing trip to help him get over his recent breakup.
Carl is in a state of panic when Christina wants them to take their relationship to a new level.
Mike finds himself caught in the middle when Molly argues with her family over Victoria's problems with men.
Now that they are engaged, Molly wants Mike to commit to planning their wedding, but her idea is in the way of Mike taking a fishing trip with his friends.
Carl attempts to get a date with an attractive woman he met at the diner.
Mike finds himself in a tough spot when his mother begins dating his boss.
Peggy gets a huge surprise while celebrating the birthday of her boyfriend Dennis.
Mike and Molly prepare to return home from their honeymoon, and Mike seems to be a changed man. Meanwhile, Carl is frustrated by not hearing from Mike, and Molly's family spend their last moments getting drunk before the newlyweds return home.
Mike keeps cheating on his diet and tries to hide it from Molly as Thanksgiving approaches.
Mike's dad comes to town early to attend Mike's bachelor party, which prompts Peggy to attend Molly's bachelorette event.
Mike and Molly decide to try having a baby. Carl is upset to learn Molly has been spending time with his ex-girlfriend Christina.
Mike finally decides to leave his bachelor pad behind and move in with Molly and her family, but how will he cope living with a house full of women?
Molly is frustrated when she realizes Mike has a weird face on each of their wedding photos. Carl is worried when Christina's ex-husband shows up.
Following a disagreement with Mike at the mall, Molly goes on a shopping spree.
CBS Entertainment | About TV.com | About CBS Interactive | Jobs | Advertise
© CBS Interactive Inc. All rights reserved. | Privacy Policy | Ad Choice | Terms of Use