Okay, I've never seen this show, but I think it's probably something like a modern 'The Honeymooners' kind of thing, so... yeah...

Mike's friend dies a few days after William is adopted leaving Mike and a pregnant Molly the new parents of his 2 (almost 3) year old daughter

Molly just wants to win the neighborhood Christmas lighting competition. The others, not so much. Everything goes wrong!

Mike comes home from work early to find his wife needs, and wants him. explicit content so read only if you are mature enough

The Windy City mourns as a great man was being buried today. One-shot

An AU to season 5 episode 22 in which Carl and Victoria never broke up and two unexpected guests crash Mike and Molly's anniversary party.

after Molly has a bad day Mike sings a song to her that he wrote to let her know how much he loves her

You probably already got that from the show, right?

Mike visits the bank.

This is a special one shot of Mike and Molly. (this might be picked up into a series, but for now just a single cute love fest.)

Mike finally tells Molly how he feels about her for the first time.

Meeting Molly was the best day of Mike's life. And now they're getting married. Mike/Molly

The instant Mike Biggs laid eyes on Molly Flynn, he knew he was going to marry her. Mike/Molly