MOM

In the sixth season premiere episode, Bonnie is plagued by an upsetting dream and Christy has second thoughts about law school after a tough first day.

When Christy decides she doesn't need Gamblers Anonymous anymore, Bonnie vehemently disagrees.

Christy's demanding law professor (guest star CONSTANCE ZIMMER) leans on her a little too hard for support; and Bonnie's plan to trick Adam into choosing a wedding venue backfires.

Christy is certain that Bonnie is in over her head when she invites a freshly paroled Tammy (returning guest star KRISTEN JOHNSTON) to stay with them.

When Marjorie's husband passes away, the ladies accompany her on a trip to memorialize him.

Christy and Jill clash over a gambling debt, and Bonnie's new habit troubles Adam.

Christy and Wendy help Jill clean out her closet, which turns out to be a bigger job than expected. Meanwhile, Bonnie and Tammy take up a new hobby.

Bonnie pushes Christy to mend her relationship with Violet (SADIE CALVANO); and Adam prepares for the grand opening of his bar.

Christy competes with her classmate for a prestigious internship, and Bonnie babysits Tammy following her oral surgery.

Bonnie and the ladies help Tammy prepare for her first date since getting out of prison. Also, Christy revisits one of her old vices in order to take the edge off.

While Tammy looks for a job to avoid being sent back to prison, Christy's search for the perfect Secret Santa gift leads her to discover Adam is hiding something from Bonnie.

Christy's smoking causes problems when the ladies take a road trip. And Bonnie offers Adam unsolicited business advice.

Christy and Bonnie are suspicious when Adam's best friend, Mitch (guest star BRADLEY WHITFORD) returns, insisting he's a changed man.

Christy's plan to win her sponsor's approval backfires; and the ladies rush in to help after Jill's house is broken into.

Bonnie takes a dateless Christy out for a Valentine's Day dinner; and Marjorie's quiet night at home is interrupted when everyone calls on her for advice.

Christy finds it challenging to quit smoking, while Bonnie learns something new about herself when she helps Tammy prepare to take the GED test.

Bonnie reluctantly consults a therapist, Trevor (guest star RAINN WILSON), for help with her ADD, and Christy battles her urge to gamble on sports while helping out at the bar.

When Christy gets sick, Bonnie is consumed with an overwhelming urge to mother her.

Bonnie has an unexpected reaction when she learns that Adam's bar is doing well. And Christy and Tammy go on a double date.

Bonnie and Tammy revisit childhood memories on a trip to their old foster home. Also, Christy and Jill regret accepting a date with two guys from their AA meeting.

Christy discovers her new job at a law firm isn't quite what she expected; and Bonnie's therapist, Trevor (RAINN WILSON) pushes her to confront her problem with procrastination.

Christy has trouble enjoying her sober birthday when she learns her sponsor is moving away; and an argument leads Bonnie and Adam to make a hasty decision on the season six finale.