Melissa McCarthy, Brian Baumgartner Melissa McCarthy, Brian Baumgartner

It's a new season and a new start for Molly when Mike & Molly returns for its fourth season.

On Monday's premiere (9/8c, CBS), Molly (Melissa McCarthy) finally drums up the courage to quit her teaching job (wait 'til you see how) and finds herself at a career crossroads.

25 totally unnecessary spin-offs