When Mike fails to make Valentine's Day dinner reservations, he persuades Carl to share the reservations that Carl made for Christina. On their way to the restaurant, Mike and Carl must talk a suicidal man down off a ledge.
When Molly learns that Mike hasn't had a birthday party since he was 9 years old, she decides to throw him a surprise party. Meanwhile, Samuel dates a girl he met through an online dating service.
Mike is worried when Molly suggests that they write their own wedding vows, until Carl tells him to write vows like he's describing how much he loves lasagna.
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 & 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.
Mike is inspired by their honeymoon trip to Paris to change his life and travel the world, while Molly worries how their family and friends fared at home without them.
When Vince throws out his back, Joyce conveniently disappears, leaving Mike and Molly to care for him. Meanwhile, the newlyweds struggle to write personalized thank-you notes for their wedding gifts.
Mike and Molly decide the time is right for them to start trying for a baby. Meanwhile, Carl gets upset when he learns that Molly is still spending time with Christina after their breakup.
With the house feeling too cramped and crowded, Molly plans a family yard sale. Meanwhile, Mike and the guys take Carl on a fishing trip to help him forget his breakup with Christina.
When Mike gets sick for Thanksgiving, Molly is secretly thrilled because she won't have to cook... until Vince invites his brother, Frankie (guest star JON POLITO), to town for a homemade Thanksgiving meal.
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.