Danny and Nia juggle four under four, while Kristen and Luke don't see eye-to-eye as they transition to first-time parenthood; Brittany tries to get her sparkle back in a new relationship, but Zack worries they're moving too fast; when Kristen and Nia co-host a Sip and See event, Michelle becomes anxious when Jesse's girlfriend Lacy surprisingly shows up.

Lala invites most of the group to celebrate her daughter Sosa's first birthday, leaving some feeling excluded; Janet tries to make amends with a few members of the group; Tom and Michelle's bond continues to grow.

Brittany takes the first step toward regaining her self-confidence with a mommy makeover consultation; Jasmine's growing friendship with Lala is tested on a girls' night out, leaving Michelle in the middle.

Danny and Nia continue to struggle with their newborn daughter refusing a bottle; as Kristen grapples with postpartum blues, her relationship with Luke is tested when their first date night out without Kaia turns into a disaster.

Janet's game night olive branch yields mixed results; Jesse gives Lacy a divorce update in hopes of taking things to the next level; Kristen and Luke continue to struggle with their communication.

Tom introduces his crush, Kiana, to his friends. The group takes a train to San Diego and Janet tries to build a stronger friendship with Zack. Danny starts to lose his patience with Nia. Kristen and Luke struggle on their first trip as new parents. Michelle and Lala share an emotional moment.

The San Diego trip continues with Lacy’s arrival, which causes chaos, particularly with Michelle. Kristen struggles to quell her postpartum frustration towards Luke. The group holds a drag pageant where Danny and Nia’s relationship is put to the test when Danny behaves out of line.

Nia struggles to deal with Danny’s antics during a drag pageant. Jason suffers a traumatic injury. Lala questions why Kristen blindly takes up for the Bookos.

Kristen and Luke work to reconnect; Michelle opens up to Lala about the financial strain of her impending divorce and emotions run high when she surprises Jesse with divorce papers to sign.

Zack's roommate moves out, leaving an empty apartment for him and Benji to see what living together could be like. While Brittany recovers from her mommy makeover at home, red flags start to arise with her new boyfriend, Brandon. Jasmine confronts Zack for his lack of support. Jesse feels Brittany is not held accountable for her actions. At Zack’s housewarming party, Danny hides the truth when confronted.

Zack invites everyone on a getaway to Mexico; Brittany drops shocking news about Brandon; Tom hosts a Bond-themed party where relationships are tested when Lala confronts Nia, Janet takes on Luke and Jesse leaves Michelle in tears.

Zack breaks down about his future with Benji. Benji pokes a hole in Danny’s story. Brittany calls out Kristen for protecting Nia’s feelings over hers. On a group trip to Mexico, Kristen’s travel anxiety gets the best of her. Luke reveals his uncertainty about the future of their relationship.

Schwartz’s birthday party erupts into chaos after Lala calls out Danny’s social media behavior. Zack’s temper flares over the group’s treatment of Danny. Luke and Kristen continue to clash. On a day trip to Sayulita, tensions come to a head between Nia and Janet.

Kristen is accused of throwing her best friends under the bus. Tension builds between Danny and Nia while out with the group for Zack’s birthday. Michelle struggles watching Jesse be affectionate with Lacy. Zack ends up in the emergency room.

Michelle and Lacy get emotional as they attempt to move forward; Jesse reveals a secret to Kristen about her future with Luke; Janet opens up to Lala about her past; tensions hit a high at Danny's birthday dinner.

Lala celebrates her 7-year sober anniversary while also dealing with the passing of her dog, Lily. Kristen and Luke struggle with the aftermath of Mexico and what's next for their relationship. Danny gets a vasectomy while Nia is away judging.

Jesse and Michelle take a major step with their divorce. Zack struggles with the decision to have kids with his boyfriend, Benji. Kristen and Luke meet with a couples' therapist to mixed results. At a mommy makeover photoshoot, Brittany and Lala question Kristen’s motivation when it comes to Zack and Nia.

In the season finale, Kristen and Luke attempt to recover from the fallout of therapy. Lala and Nia look for a path forward. Janet confronts Zack for what he’s saying behind her back. Brittany’s friendships are tested at her Halloween party when she accuses Kristen and Nia of lying.

Tensions run high as the group from The Valley comes together. Kristen and Nia reflect on their postpartum journeys and marriages now that their daughters are a year old. Brittany comes to terms with her dating picker being off, while Michelle addresses her love life being in the headlines. Zack calls out Brittany for not having his back, and when Lacy joins the reunion stage, things quickly take a turn with Michelle.

The reunion continues as Kristen and Luke give an update on their relationship and marriage plans, while Lacy and Michelle continue to disagree. Despite their ongoing beef, Janet and Danny share a heartfelt moment as they touch on their experiences with backlash on social media.

The reunion concludes as Lala stands firm and challenges the Bookos about Danny's behavior. Kristen breaks down in tears over her previous comments. Janet opens up about her past trauma and how it affects the way she walks through life.