Mother of All Problems

 is the twelfth episode in season two of Melissa & Joey, and the 42nd episode of the overall series. It first aired on August 8, 2012.

Plot
Mel's mother, Monica, has come to visit and it's clear that she does not have a great relationship with Mel or her grandchildren, as she always criticizes everyone. Joe has a talk with her and accidentally convinces her to divorce Mel's father, who has been cheating on her with a much younger woman. Not wanting to participate in gym class, Lennox goes along with her teacher's assumption that she is pregnant, which gets out of hand.

Cast

 * Melissa Joan Hart as Melissa Burke
 * Joey Lawrence as Joe Longo
 * Taylor Spreitler as Lennox Scanlon
 * Nick Robinson as Ryder Scanlon
 * Rita Rudner as Monica
 * Hayley Erin as Noelle
 * Courtney Schwartz as Glickman
 * Julie Brown as Gym Teacher