In the fifth season premiere, Molly (MELISSA McCARTHY) returns home after eight weeks at a writers' workshop with great news: she's getting published and scored a big book advance.

Molly has writer's block...and she might lose her big advance if she doesn't cure it fast.

Mike assures Molly he'll be home in time for Christmas Eve dinner...until he and Carl end up in the back of a stolen truck. Meanwhile, Molly is upset with Vince for trying to change the family's Christmas traditions.

Mike and the guys go on their annual fishing trip except this time it's a little different. Victoria has a secret that she finds hard to keep.

Molly's work on numerous drafts of her book begins to annoy Mike and the family.

Mike engages in a little innocent flirting with a rookie policewoman and then feels guilty when she reciprocates.

A letter from his financially strapped parents in Africa leaves Samuel contemplating a return to his homeland.

Molly urges Mike to go to the doctor when she learns that he hasn't been in over a decade. The 100th episode was directed by series star Melissa McCarthy.

Molly runs into a roadblock in the form of her publisher who wants her to make a provocative rewrite in a section of her book.

When Joyce refuses to take a breathalyzer test at a DUI checkpoint, Mike is forced to arrest her.

The prospect of an empty house for the weekend has Mike and Molly in a state of excitement.

Molly plans a party for Peggy after hearing that she's suddenly retiring.

Molly is excited when her book becomes available for purchase but fears no one will buy it.

Peggy shares tantalizing stories from her past for Molly's second book.

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

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.

Molly arranges a surprise reunion between Peggy and her estranged sister.

Peggy is thrilled when Kay comes back to town; Molly looks for a way to lift Kay's spirits.

For the first time, Mike meets his aunt Rosemary and is smitten with her positive attitude.

Molly gets angry when Mike won't listen to her vent about writing with Peggy.

A near-death experience on the job inspires Carl to propose to Victoria.

Mike and Molly must rescind Carl's invitation to their anniversary cruise.