Part 3. 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 cast and Briana's mom keeps it real. Later, drama ensues when the Teen Mom Young and Pregnant cast unites on stage.
Part 2. 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.
Part 1. 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.
Kailyn and her boys say goodbye to the family dog; Jade takes Sean in with surprising results; Briana confronts John about their deteriorating relationship; and Chelsea gets a shocking request from Adam's mom.
Luis is back and asks something from Briana; Jade is forced to make a decision after Sean's failed to pay the rent on time; Kailyn receives a bad news about their family pet; Jeremy plans a night with Leah.
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.
Jade's relationship with her mom deteriorates. Things for Briana and John crumble when she visits him in New York. Ali gains some independence at a camp for children with muscular dystrophy, but Leah still misses her. Kail celebrates Lux's birthday with a surprise guest. Chelsea has to balance career and mom life when Aubree starts 4th grade."
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.
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.
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.
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 Dom
Leah faces a new health scare with Addie; Jade and Sean's argument escalates; Briana receives a DM about John; Adam prepares a surprise for Aubree; Lux's father corners Kailyn into making a difficult decision.
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.
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. Kailyn takes the boys on a family vacation without any help. Chelsea’s anxiety interrupts a fun weekend away.
Leah and Jeremy rush Addie to the ER. Jenelle questions her future with "Teen Mom 2." Briana lets DeVoin take a major step forward with Nova. Chelsea debates how to treat her anxiety. After her sister gives birth, Kailyn steers he
Chelsea suffers a panic attack. Jenelle visits Briana in Orlando but struggles to film without her husband. Addie is confused about Leah and Jeremy's relationship. Kail finalizes child support with Jo .
Leah breaks up with Jason. Jenelle's plans to take Jace on a mother-son trip go awry. Briana leaves Luis alone with Stella for the first time. Kailyn gets child support advice from TMOG's Amber. Chelsea tends to a sick Watson.
Leah's girls reveal their true feelings about Jason. Chelsea takes a family vacation, but comes home to a shocking find. Jenelle tries to defend her family on social media, but things blow up when another cast member gets involved.
Barb and Jenelle have a wild weekend in Atlanta, but things go too far when she brings up another cast member. Kail and Jo celebrate Isaac's birthday together. Briana visits John for his. Leah considers new birth control.
Kail launches her haircare line with a big party in NYC, and a few surprise guests show up. Things don't go well for Luis when Briana lets him see Stella. Chelsea struggles with the stress of managing three kids.
Lincoln gets a new brother while Kail offers Jenelle a peace offering; but her good deed backfires. Chelsea is forced to confront Adam's parents about continuing their visits with Aubree. Leah receives an update on Ali's vision.
Barb plans her trip to meet with Jace's dad, causing Jenelle anxiety. Impressed with DeVoin's improvement, Briana considers making a big change. Chelsea plans one-on-one time with Aubree. Kailyn is upset when Javi calls her out.
Jenelle needs emergency surgery. Briana confronts Luis in New York. Kail and Jo come face-to-face for the first time since he filed for child support. Leah tells Jeremy he needs to spend more time with Addie.