Teen Mom 2

Jade joins the cast of Teen Mom 2 but trust issues threaten an important anniversary with Sean. When Briana allows Devoin to take Nova for the weekend, he disappoints her in a big way. Leah and Jeremy get flirty in New York.

Briana confronts Devoin in New York. Jade tries to smooth things over with Sean before moving into their new house. Leah and Kailyn vacation together in Costa Rica. Chelsea and Cole consider a new opportunity.

Leah faces another health scare with Addie. Jade and Sean reach a boiling point, forcing her to move out. Briana is torn when she gets a suspicious DM about John. Adam surprises Aubree. Lux's father puts Kailyn in a difficult situation.

Sean refuses to let Jade get her things from their house, so she goes to the police. Leah gets some shocking news about her sister. Javi and Lauren are rocked by an on-camera revelation from Kailyn. Briana and John visit the Dominican Republic.

When Nova misses her dad, Briana puts her anger with DeVoin aside. Jade tries to distance herself from Sean but worries how it will affect Kloie. Leah's kids become suspicious of her possible romance with Jeremy. Kailyn reconsiders a move.

Sean pleads with Jade to let him see Kloie. Jo throws a wrench into Kailyn's vacation plans while Leah considers what this Hawaii trip could mean for her and Jeremy. Briana wants to take her relationship with John to the next level.

Gracie reveals some deep feelings about Jeremy to Leah while on vacation in Hawaii. Briana celebrates Stella's second birthday, but leaves someone off the guest list. Jade worries her mom is slipping back into old habits.

Jade's relationship with her mom deteriorates. Things for Briana and John crumble when she visits him in NY. Ali gains independence at a camp for children with muscular dystrophy. Kail celebrates Lux's birthday.

When Jade's parents are arrested, she's forced to pick up the pieces. Devoin tries to prove to Briana that he can be around for Nova. Leah welcomes Ali home from camp. Chelsea celebrates her shared birthday with Layne. Kailyn makes a big investment.

Briana makes a major decision, leaving John sidelined. With her parents still in jail, Jade reaches to Sean for support. Chelsea's anxiety rises with the launch of her clothing design. Kailyn has a big surprise for the boys. Leah's girls start school

Luis reappears with a major ask for Briana. Sean's rent is late, forcing Jade to make a difficult choice. Kailyn gets upsetting news about a family pet. Jeremy finally makes dinner plans, but Leah's feelings for him aren't as strong.

Kailyn and her boys say goodbye to the family dog. Jade takes Sean in with surprising results. Briana confronts John about their deteriorating relationship. Chelsea gets a shocking request from Adam's mom. Leah is reminded of her past with Jeremy.

On Part 1 of the Teen Mom 2 Reunion, Chelsea and Leah meet Jade and discuss their similarities. Kail defends her parenting decisions and Briana reveals where things really went wrong with John. Later, Leah is joined by Jeremy on stage and discuss their current relationship status and his feelings about the twins' dad.

On Part 2 of the Teen Mom 2 Reunion, Kail and Leah reveal what happened behind the scenes in Hawaii and Briana has an emotional heart to heart with John. Later, Jade triggers her mom when she is confronted about her arrest and Chelsea discusses her battles with anxiety and panic attacks.

On Part 3 of the Teen Mom 2 Reunion, Chelsea and Cole take center stage to talk marriage highs and lows, with special guests Cate and Ty from Teen Mom OG. Kail reveals how she really felt about Jade joining the TM2 cast and Briana's mom, Roxanne, keeps it real via Skype. Later, drama ensues when the Teen Mom Young and Pregnant cast unites on stage.

The cast of "Teen Mom 2" watch and react to never-before-seen clips from the past season.