TM2's newest mum, Briana, grapples with an unplanned pregnancy. A sudden move tests Jenelle and David's relationship. Meanwhile, Chelsea prepares for her son's arrival.
Briana is faced with a heart-wrenching decision, Kailyn's friend reveals some very personal information, and Jenelle and Nathan confront each other in court.
Kailyn finally discusses the big news she's been hiding, while Briana starts exploring adoption, and Aubree has some trouble adjusting to her baby brother.
Jeremy shocks Leah with some unexpected news. Javi gets intel on Kailyn's pregnancy. David plans another big surprise for Jenelle. Aubree's school has a father/daughter dance.
Leah investigates a business opportunity. Kailyn faces Javi in court and Chelsea hears some disturbing news. Jace meets his baby sister, and Jenelle announces her engagement.
Leah faces a difficult decision about college. Jenelle and David hit the rocks setting up their home. Briana continues to pursue adoption. Chelsea worries about Aubree at Adam's parents. Kailyn struggles to get back on track at school.
Kailyn is furious when her pregnancy is leaked by an unexpected source. Briana's mom confronts Luis about his role in the new baby's life. Aubree gets overexcited about Chelsea's new pets. Ali makes a heartbreaking confession to Leah.
After Barb refuses to let Jace come over, Jenelle tracks her down. Briana gives Luis an ultimatum. Kailyn and Javi are forced to face each other. Chelsea and Cole catch baby fever. Leah tries to find answers to Ali's breathing problems.
Jenelle is barred from seeing Jace. Briana is under pressure while preparing for her baby shower. Kailyn is shocked when Javi files for child support. Leah and Ali visit the doctor. Aubree finishes first grade.
Briana's baby shower goes downhill when Luis shows up. Jenelle goes to court to get Jace back. Kailyn struggles with juggling responsibilities. Chelsea takes Aubree out for a girls day. Leah tries to get Ali an aide to help her at school.
Jenelle and Barb come to an agreement for custody of Jace. Briana is surprised by unexpected news from Luis. Leah reluctantly re-enters the dating world. Aubree visits Adam for Father's Day. Jo pursues custody of Isaac, angering Kailyn.
Leah pushes Jeremy to spend more time with Addie. Chelsea reconsiders her visitation agreement with Adam's parents. Jenelle tries to make her weekend with Jace extra special. Kailyn celebrates her last day of classes with the boys.
Luis asks Briana a shocking question before she goes into labor. Barb attempts to make peace with Jenelle. Kailyn prepares for her graduation. Chelsea takes her family on a trip to Florida. Leah tries out a new career path.
Kailyn graduates from college. Stella's happy homecoming goes downhill after a fight between Briana's family and Luis. Leah takes another shot at motivational speaking. Jenelle shops for wedding dresses. Chelsea takes Watson for some shots.
Briana rushes Stella to the hospital. An unexpected court date threatens Kailyn's vacation. Leah and Corey notice that Gracie may need special attention. Chelsea attempts to modify Aubree's custody agreement with Adam.
Kailyn's vacation to St. Thomas ends in the emergency room. Briana learns shocking news about Stella. Jace's 8th birthday leads to tension between Jenelle and Barb. Leah juggles giving attention to the twins. Aubree starts second grade.
Tensions build as Jenelle prepares for her wedding day. Kailyn faces the potential of raising her baby by herself. Briana tries to involve Devoin more in Nova's life. Chelsea tries on her wedding dress. Leah's daughters go back to school.
Jenelle walks down the aisle, while Chelsea celebrates her marriage with a big reception. Kailyn and Javi come face to face with what could have been. Things boil over when Briana's mother and Devoin nearly come to blows.
Briana reveals surprising news about her and Javi to Leah, which Leah shares with Kailyn. Jenelle risks losing custody of Kaiser when Nathan's mom makes shocking allegations. Adam is arrested again, forcing Chelsea to rethink visitation.
All the girls head to LA to film specials and the reunion. Kailyn and Briana finally come face to face and Chelsea and Jenelle choose sides, but Leah is caught in the middle.
Tempers explode backstage during reunion filming. Briana continues defending her actions. Jenelle and David return for a showdown with Nathan and Barb, while Kail, Leah and Chelsea wonder if Briana and Jenelle can be removed from the show.
Jenelle gets a troubling call from Jace and calls 911 on Barb. Javi visits Briana in Orlando as their relationship heats up. Chelsea is ready for another baby. Kailyn and Jo raise money for Puerto Rican hurricane relief.
Briana travels to Lincoln's birthday but does not get a warm welcome from Kailyn. Chelsea and Adam finally have their day in court. David is upset when Nathan butts into his relationship with Jenelle.
Leah gets a surprising call from Jeremy. Briana returns to work and Luis makes an appearance. Kail goes to court with Lux's dad. Jenelle takes a birthday vacation with all her children. Chelsea has her final face off with Adam.
Javi gets news that puts pressure on his relationships with both Briana and Kailyn. Leah reveals a secret about her and Jeremy. Chelsea and Cole confront Adam's parents for the first time since court.
Chelsea shares major news. Briana discovers Javi's big plans. Kail has to go to court mediation since Jo is going for 50 / 50 custody. Leah tries to rehome some unexpected guests. Jenelle and David get a visit from the sheriff's office.
Briana and Javi make major decisions about their relationship and Javi turns to Kailyn. Ali's health issues become more obvious at school, worrying Leah. Chelsea surprises Cole with the baby's gender. Jace spends spring break with Jenelle.
Briana asks an ex to take care of her after her plastic surgery but Javi isn't happy. Leah and Kailyn meet up for a podcast. Jenelle spends one-on-one time with Jace at therapy. Aubree and Cole go off to another Father/Daughter dance.
Leah and Kailyn vacation together but issues from home follow them. Chelsea and Aubree meet with Adam's younger daughter, Paislee. Nathan and Barb unite over concerns about Kaiser. Briana heads to surgery but receives an unexpected visitor.
Jenelle encounters an aggressive driver while taking Jace home. Briana has some surprise visitors after surgery, and Javi isn't happy. Leah gets troubling news from Ali's school. Kailyn and Jo go back to court for custody of Isaac.
Leah receives an update on Ali's condition. Adam violates visitation, forcing Chelsea to take action. Barb responds to Jenelle's road rage encounter. Kailyn finalizes custody, and has a surprising conversation with Javi.