Nathan threatens Jenelle with felony charges. Leah gets sad news about Ali while waiting to hear if she loses custody of the twins. Kailyn tries to rebuild her relationship with Jo but hurts things with Javi.

When Nathan takes Kaiser on an unexpected trip, Jenelle tries to charge him with kidnapping. Leah anxiously awaits word from the court but Corey receives the verdict of their custody case.

Leah receives the verdict of her custody case. A huge fight destroys Kailyn and Jo’s renewed friendship. Jenelle introduces her new boyfriend to Barb. Chelsea is outraged by something Adam posts online.

Kailyn and Javi get some bad news about his job. Leah blames Corey for confusing the twins with their new custody arrangement. Barbara is concerned about Jenelle's new boyfriend. Chelsea and Cole take a major step together.

Cole has a big surprise for Chelsea. Kailyn reveals a huge secret that's been weighing on her and Javi. Jenelle is forced to face her assault charges against Nathan's girlfriend.

Leah considers reuniting with Jeremy; Isaac struggles with Javi's impending deployment; Jenelle's birthday trip to New York is ruined by Nathan; Chelsea and Cole celebrate their engagement; and Aubree has sad news about Adam.

Javi says a tearful goodbye to his family before deployment. Jenelle meets with Nathan, fueling David's jealousy. Corey and Leah face-off at Ali's doctors appointment. Chelsea and Cole debate changing Aubree's last name.

Leah and Cory battle in court for custody of the twins. Jenelle agrees to let Nathan see Kaiser and David volunteers to be their contact person. Kailyn struggles to help Isaac while he misses Javi.

Barbara and David face off over Jenelle, leading to a 911 call. Aubree gets a new accessory. Kailyn and Javi struggle with his deployment. Leah gets troubling news about custody.

Kailyn works on her relationship with Vee; Cole takes Aubree to a father-daughter dance; Jenelle seeks help in New York for mysterious medical ailments; and Leah and Corey's co-parenting is shattered by a disturbing video.

Jenelle's medical woes lead to a disastrous fight with Barbara. Leah and Miranda make amends. Aubree drops a big question on Adam. Kailyn rebuilds her relationship with Jo but distances herself from Javi.

An emotional meltdown over Barb ruins Jenelle’s fun day with her sons. Kailyn and Javi’s marriage is dangerously close to divorce. Chelsea celebrates milestones with Aubree.

Jenelle faces Nathan and his girlfriend in court for her assault trial. Aubree goes dress shopping for Chelsea and Cole's wedding, while Adam airs some frustrations. Jeremy has to leave town, much to Addie and Leah’s dismay.

Leah struggles with Addie missing her father. Chelsea meets with Adam's ex. Jenelle and Nathan face off in court over custody of Kaiser. Kailyn starts summer school with some extra help from Jo.

Nessa sits down with the Moms and look back at some of the never before seen footage from the past season.

Javi returns home from deployment with mixed reactions. After a flood devastates West Virginia, Jeremy and Leah have trouble communicating. Chelsea hopes her doctors visit goes well so she can finally make the baby announcement.

Jenelle and David keep some big news under wraps. Kailyn and Javi adjust to their new relationship. Jeremy isn't happy about Leah's vacation plans. Chelsea finds out Adam is behind on child support.

Javi and Kailyn get into a huge fight after he shows up unannounced. Jenelle tries to keep her pregnancy a secret from Barbara. Chelsea and Cole question postponing their wedding.

Jenelle reveals her pregnancy to Barbara and Jace. Aubree starts first grade. Jo co-parents Isaac with both Kailyn and Javi. Leah and her daughters take a girls trip to California.

Leah receives some surprise news from Ali's doctor about Aleeah. Jenelle thinks Nathan is trying to win her back and David isn't having it. Kailyn and Isaac start school but the added pressure causes strife between Jo and Vee.

Jenelle prepares for her upcoming court date after getting some surprising news about Nathan. Chelsea celebrates Aubree's seventh birthday. Jeremy returns home from South Dakota. Kailyn and Javi's future is up in the air.

Divorce mediation leads to arguments outside the courthouse for Kailyn and Javi; Chelsea officially reveals her baby's gender and Leah finds out that Jeremy is engaged.

Jenelle reaches her boiling point with Barbara. Chelsea and Cole add a temporary member to their family. Kailyn and Javi face off. Leah is forced to make a tough decision about beauty school.

Chelsea and Cole tie the knot. Kailyn and Javi try to make amends. Leah prepares for a new chapter in her life. Kaiser starts preschool while Nathan shares shocking news

In an expanded two-hour episode, the girls and their families travel to Los Angeles for a 'Teen Mom 2' reunion and the drama follows. Jenelle and Barbara's onstage feud leads to a backstage blowout and after reconciling with Javi, Kailyn is blindsided by allegations.