`Teen Mom 2' follows four girls from the second season of MTV's documentary series `16 and Pregnant' as they face the challenges of their first years of motherhood. Chelsea, Jenelle, Kailyn and Leah are seen trying to come to grips with the myriad of responsibilities that caring for a child brings, and doing so while worrying about such things as finances, living arrangements, graduating from high school, family support (or lack thereof) and the role of their baby's father.
Dr Drew hosts the cast of Teen Mom 2 in front of a live studio audience and learns how Leah is coparenting with both Corey and Jeremy. Jenelle and Nathan face off over Kaiser.
In part two, Adam threatens to leave the show as Chelsea tries to confront him over spending time with Aubree. Kailyn and Javi open up about their marital issues during an emotional discussion.
Chelsea, Kailyn, Leah and Jenelle join Nessa to react to a collection of hilarious and touching never-before-seen clips from the series.
Nathan threatens Jenelle with felony charges. Leah gets sad news about Ali while waiting to hear if she'll lose custody of the twins. Kailyn tries to rebuild her relationship with Jo. (S7, ep1)
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. (S7, ep2)
Leah hears the verdict of her custody case. A fight destroys Kailyn and Jo's renewed friendship. Jenelle introduces her new boyfriend to Barb. Chelsea is outraged by a post Adam puts online. (S7, ep3)
Kailyn and Javi get some bad news about his job. Leah blames Corey for confusing the girls with their new custody arrangement. Barb is concerned about Jenelle's new boyfriend. (S7, ep4)
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. (S7, ep5)
Leah flirts with the idea of getting back with Jeremy. Isaac struggles with Javi's impending deployment. Jenelle's birthday trip to New York turns sour after hearing from Nathan. (S7, ep6)
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 doctor's appointment. (S7, ep7)
Leah and Corey battle in court over custody of the twins. Jenelle agrees to let Nathan see Kaiser and David volunteers to be their contact person. Kail struggles to help Isaac. (S7, ep8)
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. (S7, ep9)
Kailyn tries to repair her relationship with Vee. Some mysterious medical ailments force Jenelle to seek help in New York. Leah and Corey's co-parenting is shattered by a disturbing video. (S7, ep10)
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. (S7, ep11)
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. (S7, ep12)
Jenelle faces Nathan and his girlfriend in court for her assault trial. Aubree goes shopping for Chelsea and Cole's wedding, and Jeremy has to leave town, much to Addie and Leah's dismay. (S7, ep13)
Leah struggles with Addie missing her father, Jenelle and Nathan face off in court over custody of Kaiser, and Kailyn starts summer school with some extra help from Jo. (S7, ep14)
On the 100th episode, Chelsea shares big news with Aubree and the crew, Kailyn and Javi finally come to a decision about their marriage, and Leah finds a new home for herself and the girls. (S7, ep15)
Javi returns home from deployment to mixed reactions. After a flood devastates West Virginia, Jeremy and Leah have trouble communicating, and Chelsea hopes her doctor's visit goes well. (S7, ep16)
Jenelle and David keep some big news under wraps, Kailyn and Javi adjust to their new relationship, Jeremy isn't happy with Leah, and Chelsea finds out Adam is behind on child support. (S7, ep17)
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. (S7, ep18)
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. (S7, ep19)
Leah receives some news from Ali's doctor about Aleeah. Jenelle thinks Nathan is trying to win her back. Kailyn and Isaac start school, causing strife between Jo and Vee. (S7, ep20)
Jenelle prepares for her upcoming court date after getting some news about Nathan. Chelsea celebrates Aubree's 7th birthday. Kailyn and Javi's future is up in the air.
Divorce mediation leads to arguments outside the courtroom for Kailyn and Javi. Chelsea officially reveals her baby's gender. Leah finds out that Jeremy is engaged. (S7, ep22)
Jenelle reaches 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. (S7, ep23)
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, and Nathan shares shocking news. (S7, ep24)