Newly sober single mom Christy is challenged when her estranged, overly critical mother returns to her life in the series premiere of this comedy from executive producer Chuck Lorre.

Christy and Bonnie set aside their differences to deal with a family crisis together.

Christy goes on her first date since she stopped drinking. Meanwhile, Bonnie teaches her grandson Roscoe to gamble.

Christy makes a new friend who has big problems. Meanwhile, Bonnie attempts to put someone else's needs ahead of her own.

Christy is determined to take things slow in her relationship with Adam. Meanwhile, Bonnie and her rival from AA, Marjorie, disagree on what "taking it slow" means.

Christy squares off against Luke's conservative parents, who are upset about Violet's pregnancy. Meanwhile, Bonnie is determined not to let menopause get the best of her.

Christy is nervous about going on a romantic weekend getaway with Adam. Meanwhile, Gabriel's wife suspects he is cheating and seeks comfort from Christy.

Bonnie struggles to keep her life together when she loses her job; Christy tries to help Bonnie get back on track.

Christy has trouble accepting how much easier life is with Bonnie in the house. Meanwhile, Baxter sets up camp in the driveway.

When Christy and Bonnie find out that Marjorie has cancer, they attempt to make their best to support her, while they try to apply her strength and patience their own lives.

When Bonnie starts dating chef Rudy, Christy winds up stuck in the middle.

Despite an injury, Christy refuses to admit that she needs Bonnie's help; Luke asks Baxter for advice about fatherhood.

Christy and Bonnie come clean about the secrets they've been keeping from each other. Meanwhile, Violet and Luke discover they have different ideas about parenting.

Christy tries to start a relationship with her father, Alvin, while Bonnie struggles to accept the fact that Christy wants him in her life.

Christy is tempted by her old vices when she dates an attractive, hard-partying man named David. Bonnie decides her advice is worth money and becomes a life coach.

Bonnie must pick up the slack when Christy puts her new relationship with David ahead of family and friends.

When Violet feels nervous about becoming a mom, Christy plans a baby shower for her; Bonnie lands a new client.

Bonnie and Christy help Regina tie up loose ends before she goes to prison; Alvin gets acquainted with his grandchildren.

Christy and Bonnie try to make sure everything goes smoothly when Violet finds the perfect couple to adopt her baby.

Tensions are raised between Alvin and Bonnie, leaving Christy caught in the middle; Violet is worried about going to prom.

Bonnie and Christy help Violet as she goes through labor; Christy thinks Bonnie still has feelings for Alvin.