List of Run of the Mills episodes

Season 1

 * 1) First Day - The kids (including Sarah and Aiden's kids and except for the older children) go on their first day of school; Sheila, Spencer and Steven go to college and meet with their roommates; Samuel III is forced to work at a third grade teacher at an elementary school.
 * 2) The New Intern - Alyson's Scottish-American high school intern, Niamh Vass befriends Susan, but Stephanie is jealous.
 * 3) School Activities - Susan tries out for cheerleading, Stephanie tries out for dancing, Sebastian tries out for the choir, and Shiloh tries out for the school band.
 * 4) The First Day of Being a Teenager - When Shiloh turns 13, she wonders what it was like to be a teenager. She gets an iPhone, high heels, fishnets, and make-up cosmetics, she noticed that she might be friends with other teenagers as well.
 * 5) Homecoming - Stephanie and Susan go to their first time being at their homecoming at their school; Meanwhile, Sheila's roommate, Eugenia takes her obsession with a dom-com too seriously.
 * 6) Milloween - Being too old for trick-or-treating, Sebastian takes part of passing out candy to the trick-or-treaters; Sheila goes to a sorority Halloween party to get drunk; Samuel III throws a Halloween party at the elementary school he teaches in; Shiloh, Sean, Simon, Sadie, Shane and Sophia go trick-or-treating; Sarah and Aiden take their children trick-or-treating; Stuart helps Yuri with an idea: both passing out candy and scaring trick-or-treaters just like most villains or monsters do, with the former commonly found in horror flicks.
 * 7) Eighteen Candles - On Susan's 18th birthday, she wonders what it was like to be an adult, so she does anything on what 18-year-olds. When she brought a lingerie her mother brought for her, she might fear that she will be embarrassed.
 * 8) Coming Out of the Closet - After her friends finally realized that she likes both genders, Stephanie admits that she is bisexual. Meanwhile, Susan
 * 9) Millsgiving - It's Thanksgiving, and the older kids and their relatives come over to the Mills household.
 * 10) Whatever Happened to Joy-Anna? (1-hour special) - Alyson tells the story about her youngest sister and Lawrence's younger twin sister as her origins are revealed: from childhood, to marrying Felix one year after she graduated college, to her death. (SPOILER: On September
 * 11) The Doctor's Disappointment - After being sent home from school on her 6th period, Susan gets a doctor's appointment due to her OCD problem.
 * 12) Church - Sarah and Aiden take Teagan, Kevin and Clover to church. Meanwhile, Stephanie gets on her period, which shocks her siblings and her parents.
 * 13) The Drinking Problem - Sheila discovers that due to being 21 years of age, she finds alcohol as an addiction.
 * 14) Here's Donny! - Stephanie tried out for a school play known as The Shunning as the role for Wanda Terrence.
 * 15) New Medicine - Alyson gives Susan, Sebastian, Simon and Sadie medicine every morning and every night.
 * 16) Christmastime is Here - The Mills relatives, including the older children and their love interests and children, come to visit on Christmas.
 * 17) Aunt Pearl - Alyson's sister, Pearl comes over to the Mills household for a visit.
 * 18) The Craving - Alyson suffers from horrific cravings while pregnant, leading her to become upset even more. Meanwhile, Sarah discovers the memories of being pregnant.
 * 19) The 20th Child - Alyson finally gives birth to Sawyer Declan Mills, the 20th child.
 * 20) Spring Heartbreak - It's Spring Break and Alyson and Samuel, Jr. go to a retirement home to visit Grandma Hillary and discovers the memories of how Alyson feels like being the sister of eleven children.
 * 21) Graduation - In the season finale, Susan graduates high school while Sheila graduates college.

Season 2

 * 1) When Alyson Met Joy-Anna - Alyson begins hallucinating as she starts to see the "ghost" of Joy-Anna everywhere, but no one seems to see her since she's a hallucination.