Welcome to Plathville - Season 4

Life for the Plaths is more different now than ever before. Kim shares a shocking revelation while Moriah hides a massive secret. Ethan and Olivia continue to mend their marriage in Tampa as Micah takes in all that Los Angeles has to offer.

Micah meets with Max to get to the bottom of Max and Moriah's breakup. The divide between Kim and Barry quickly grows, leaving the future uncertain. Moriah opens up to her family about her breakup, resulting in questions that leave her stunned.

Moriah tags along with Micah to go to LA; Ethan has a big secret he's keeping from Olivia; tensions rise when Kim invites Nigel, a friend from the gym, to the house for dinner.

Kim and Barry's marital issues become undeniable, leaving the family reeling; Ethan keeps a secret from Olivia, but gets forced to reveal his hidden past; Moriah spends a cozy night talking with Nathan; Micah tries Indian food for the first time.

Olivia feels shocked when Ethan reveals that he's been keeping a secret from her for months; Micah goes on a double date; Kim opens up to the little girls about her separation, resulting in some very tense discussion.

Tensions run high in Tampa as Ethan returns home from Cairo to face Olivia; Moriah's ex-boyfriend posts a video on social media that releases a new flood of emotions; Kim comes to visit Moriah and opens up about her own relationship issues.

Micah celebrates a wild 21st birthday at a strip club with Ethan and Olivia; Moriah confronts Lydia about her recent meet ups with Max; Kim moves back home, and she and Barry discuss the future of their relationship.

Barry reaches out to Ethan after two years with shocking news; Ethan's hesitation about seeing his mom leaves Kim feeling excluded from an important family discussion; Moriah and Olivia rebel against their past and try pole dancing.

Kim and Micah share first-ever cocktails together; Kim reveals the reasoning behind her parenting choices; Ethan and Barry finally make amends, but Ethan keeps new secrets from Olivia; Lydia asks Kim tough questions.

Micah bartends at his friend's art show, where things heat up with Antia; the rest of the family reunites with Barry in Cairo, but Kim is excluded because Ethan and Olivia do not want to see her.

The Plath children all gather at the farm to celebrate Joshua, but when Olivia learns Kim is included at the gravesite visit, tensions quickly rise; Moriah's frustration with Olivia grows and a request from Ethan shocks Kim.

Micah goes on a romantic first date; despite the turmoil from the day at Joshua's gravesite, Ethan surprises Olivia with something special; Moriah's frustration with Olivia continues to brew; Kim is shocked when she learns Ethan wants to talk.

Ethan, Olivia, Micah and Moriah celebrate Ethan's birthday in Jamaica, but the trip takes a turn when Micah and Moriah confront Olivia about her issues with Kim; Barry arranges a river trip and Olivia makes a tough decision.