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’s patience is tested by everyone she knows. Meanwhile, Bonnie runs into an old rival.

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.

Bonnie is furious when Christy's poor financial decisions threaten the family's living situation. Meanwhile, Christy agrees to help out Jill, a woman who is newly sober.

Christy convinces herself that everything is fine even though her family is basically homeless. Surprisingly, Bonnie is the one who tries to bring her back to reality.

In order to get the family back together, Christy and Bonnie rent a house with a colorful past. Meanwhile, Bonnie tries to broker a peace between Christy and Alvin.

While Christy tries to get to the bottom of Violet's erratic behavior, Bonnie attempts to get a job.

Christy has mixed feelings about Candace and Baxter's relationship and things heat up between Alvin and Bonnie.

Christy and Bonnie are in the lap of luxury when Christy's wealthy sponsee, Jill, asks them to keep her company on her first night out of rehab.

Christy tries to make amends for her past deeds. Bonnie takes a cue from her and decides to make up for treating Alvin so poorly through the years.

Family secrets surface when Christy and Bonnie join Violet's therapy session.

Christy's evening alone takes an unexpected turn when she meets her attractive, single neighbor, Andy. Bonnie and Alvin's romantic plans are derailed by Alvin's ex-wife, Lorraine.

Realizing she has been a waitress longer than she intended, Christy moves toward a career change; Bonnie and Alvin try to revisit their youth.

An unexpected death rocks the Plunkett household.

Christy does damage control when Bonnie acts out after the death of a loved one.

Concerned about the way Bonnie is handling Alvin's death, Christy tries to get her mother professional help.

When Christy gets promoted to manager of the restaurant, she discovers that being the boss comes with its own set of problems. Also, Bonnie has a nemesis in the building who wants her fired.

Christy makes a discovery about what excites her; Bonnie takes her new role as secretary a little too seriously.

Christy and Bonnie are shocked when they discover how prison has changed their friend Regina.

Christy and Bonnie worry when they find out that Violet's new boyfriend is old enough to be her father.

Christy brings Bonnie to a handsome doctor after she injures her back.

Bonnie goes to extremes to keep a major secret from Christy.

After Bonnie’s relapse, the women from her meeting rally around to help her through withdrawal from painkillers, but Christy wants no part of it.

Christy and Bonnie prove to be unwelcome guests wherever they go due to their testy relationship.

Christy blames Bonnie when Roscoe announces he wants to go live with his father, on the second season finale.