As the eighth season opens, Teen Mom 2’s newest mom, Briana, reunites with an old friend but grapples with an unplanned pregnancy. A sudden move tests Jenelle and David's relationship. Kailyn and Javi finalize their divorce while Leah begins an exciting new chapter.

Kailyn discusses her big news; Briana begins to explore adoption; Aubree has a difficult time adjusting to her brother; Addie's birthday party does not go as planned; Jenelle reconciles with Barb.

Leah receives some unexpected news from Jeremy; Javi gets information on Kailyn's pregnancy; David plans another big surprise for Jenelle following their daughter's birth; Aubree's school has a father/daughter dance.

Leah investigates a business opportunity but Ali struggles with her illness. Kailyn faces Javi in court over the PFA. Chelsea hears disturbing news about Adam. Jace meets his baby sister, Ensley, and Jenelle announces her engagement.

Leah faces a difficult decision about college; Jenelle and David hit the rocks while setting up their new home; Briana pursues adoption further; Chelsea worries about Aubree at Adam’s parents; and Kailyn struggles to get back on track.

Kailyn is furious when her pregnancy is leaked. Briana's mom confronts Luis about the new baby. Aubree gets overexcited about Chelsea's new pets. Ali makes a heartbreaking confession to Leah. Jace spends his first weekend at Jenelle's new house.

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 at Lincoln’s soccer practice. Chelsea and Cole catch baby fever. Leah tries to find answers for Ali.

Jenelle has a tumultuous Mother's Day when she's 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 finally gets her day in court to get Jace back. Kailyn struggles with juggling school, the boys and Javi and Jo. Chelsea takes Aubree out for a girls day. Leah tries to get Ali an aide.

Jenelle and Barb come to an agreement; Briana receives surprising news from Luis; Leah enters the dating world; Aubree visits Adam; Jo pursues custody of Isaac.

Leah pushes Jeremy to spend more time with Addie. After seeing what Maci is going through, Chelsea reconsiders her visitation agreement with Adam’s parents. Jenelle tries to make her first official weekend with Jace extra special.

Luis asks Briana a shocking question before she goes into labor. Barb attempts to make peace with Jenelle during Kaiser’s birthday party. Kailyn prepares for her graduation. Chelsea takes her family on a trip to Florida.

Kailyn graduates from college; a fight between Briana's family and Luis ruins Stella's homecoming; Leah takes another shot at motivational speaking; Jenelle shops for wedding dresses.

Briana rushes Stella to the hospital; Kailyn's vacation is threatened by court; Leah and Corey believe Gracie may need special attention; Chelsea tries to change Aubree's custody agreement.

Kailyn's vacation to St. Thomas takes a dramatic turn. Briana learns shocking news about Stella. Jace's 8th birthday leads to more tension between Jenelle and Barb. Leah juggles giving enough attention to both the twins. Aubree starts second grade.

Jenelle prepares for her wedding day; Kailyn faces the potential of raising her third baby alone; Briana tries to involve Devoin in Nova's life.

Jenelle walks down the aisle; Chelsea celebrates; Leah tries to get Addie ready for preschool; Kailyn has her baby.

Briana reveals surprising news about Javi to Leah, Jenelle risks losing custody of Kaiser, and Adam is arrested again, forcing Chelsea to rethink visitation.

All the women travel to Los Angeles to film the reunion and specials, and Leah feels caught in the middle as tensions between Kailyn and Briana run high.

Kailyn continues arguing with Briana and Brittany, and Jenelle and David walk away during the reunion taping but later return to face off with Nathan, Doris and Barb.

Jenelle gets a troubling call from Jace and decides to dial 911 on Barbara. Javi visits Briana in Orlando as their relationship heats up. Leah takes the girls trick-or-treating together. Chelsea is off birth control and ready for another baby

Kailyn and Javi throw separate birthday parties for Lincoln, Chelsea heads to court with her ex, Leah takes Gracie to therapy, and Nathan's text to Jenelle angers David.

Leah gets a surprising call from Jeremy during the twins’ birthday, Kailyn goes to court with Lux's dad, and Jenelle takes a birthday vacation with all her kids.

Leah contemplates getting back together with Jeremy, Javi drops a bomb on Briana and Kailyn, and Chelsea struggles to have a good relationship with Adam's mom.

Briana feels rushed by Javi, the police visit Jenelle and David's house, Chelsea has big news, Kailyn deals with Isaac's custody, and Leah takes care of unexpected guests.

Briana and Javi make major decisions about their relationship, and Leah grows concerned as Ali's health issues become more obvious at school.

Javi gets jealous when Briana calls on an ex to take care of her after surgery, Leah and Jeremy reconnect, and Aubree and Cole attend a father-daughter dance.

Javi travels to Miami to see Briana, Kailyn and Leah go to Hawaii, Chelsea and Aubree meet up with Taylor and Adam's daughter Paislee, and Nathan and Barbara discuss Jenelle.

Jenelle confronts an aggressive driver while on the road with Jace, Chelsea and Cole check out the center where Adam will see Aubree, and Leah gets bad news from Ali's school.

Chelsea finds out that Adam violated his visitation agreement, Barbara tries to take Jenelle to court after her road rage encounter, and Kailyn finalizes custody with Jo.