Stephanie is excited about celebrating her first Mother's Day until she learns that the family plans to celebrate her on Stepmother's Day instead; Stephanie takes her mother to a day spa and gets some unexpected "mom" advice from a few experts who attempt to cheer her up.
- Tia Mowry as Stephanie Phillips
- Michael Boatman as Charlie Phillips
- Sheryl Lee Ralph as Maggie Turner
- Sydney Park as Gabrielle Phillips
- Tylen Jacob Williams as James Phillips
- Damarr Calhoun as Aaron Phillips
- Haley Pullos as Molly
- Meredith Baxter
- Tempestt Bledsoe
- Jackée Harry as Lisa Landry
- Florence Henderson
- Marion Ross
- Samantha Roy as Leslie
The image gallery for Not Your Mother's Day may be viewed here.