Bristol returns home after a weekend away and has a heated argument with her husband. Cheyenne and Cory close co-parenting relationship causes issues with Cheyenne’s boyfriend Zach. Amber welcomes her son James.

Cate and Tyler find out they are pregnant so Cate wants to get married. Maci struggles co-parenting with Ryan. Amber falls for Gary’s flirting, but is crushed when he goes on a family vacation with his new girlfriend and Leah.

Farrah's mom confronts Simon at Sophia's 7th birthday party after he posts an old mugshot of her on social media. Amber deals with the latest rumor in the media about Matt.

Farrah calls the police on her own mother after they get in a big fight, while Amber faces a pregnancy scare that could prevent her from ever finishing high school. Maci takes her ex, Ryan, to court for child support, and Catelynn is upset to find out she has to move out of boyfriend Tyler's house and back in with her unpredictable family, an hour away from their high school.

Maci and Taylor question their decision to have their wedding so soon, while Farrah and Simon get some relationship advice from Dr. Jenn. Catelynn is homesick so Tyler and Nova visit her at her treatment facility.

Maci and Taylor work on their marriage in counseling while Farrah goes on a date with Assaf, whom she picked on last week's aftershow. Gary asks Amber to help him surprise Leah with a new house.

Amber and Gary finally settle their custody dispute over Leah. Farrah plans a move to LA, but questions her relationship with Simon. Catelynn and Tyler debate having another baby.

A year after the adoption, Catelynn and Tyler have an emotional reunion with their daughter Carly. Amber & Gary try to work out custody of Leah now that they are broken up and dating other people. Farrah's mom sets her up on a date with a new guy, and Maci & Ryan battle over parental rights once and for all.

Single teenage mom Farrah starts dating against her family's wishes while Maci begins planning her wedding to fiancé Ryan. Catelynn moves back home with her disapproving parents and Amber's anxiety about being a mom gets the best of her.

Tyler and Catelynn have an emotional goodbye as she heads to a treatment facility for her anxiety and depression. Maci and Taylor buy a bigger house to fit their growing needs.

Amber worries she’s developed a new addiction to food and consults a doctor about her weight. Farrah decides to open a frozen yogurt shop, while Tyler’s concerned that Catelynn is falling back into her old, bad habits.

In an attempt to keep Matt’s son sober, Amber and Matt invite him to move in. Farrah visits Derek’s family, but quickly returns home to deal with her next business venture... and her mom. Catelynn and Tyler attempt to celebrate their first year of marriage, but are worried that they may not see Carly this year; and Maci celebrates at her bridal shower while Ryan tries to apologize to his dad.

Maci decides to enroll Bentley in daycare while Amber prepares to go to rehab. Catelynn and Tyler Celebrate Carly's second birthday, and Farrah has change of heart about leaving daughter Sophia behind when she moves.

Catelynn and Tyler have an emotional second year visit with their daughter Carly. Amber struggles with missing her daughter Leah during her first weeks of rehab as Farrah says farewell to her life in Iowa. A disagreement with Ryan disrupts Maci & Kyle's relationship.

Maci’s daughter Jayde turns one and she is worried because Ryan isn’t around for Bentley. Farrah makes a big move to LA, but continues to fight with Simon when he tries to help.

Amber and Gary's arguing finally reaches a boiling point, while Catelynn struggles to find a home when her mother moves away. Newly-single mom Maci has a change of heart, and boy-crazy Farrah opts for some protection.

Amber and Gary's wedding plans fall apart over an argument about how to raise Leah, while Farrah considers moving back into her mother's house. Catelynn and Tyler celebrate their daughter Carly's first birthday from afar by calling her to say hello, and Maci finally tells her parents she's moving two hours away with Bentley, and they aren't happy.

Amber & Gary try to get the no contact order lifted so they can raise Leah together as a family. Maci tries to cut Ryan out of her life, and Ryan makes a decision about taking Maci to court. Farrah makes an unexpected choice about moving away, and Butch moves in with Catelynn & Tyler, who make a hard decision about Carly.

Amber and Matt attempt to put a stop to the tabloid rumors surrounding them, but are sidetracked by a visit from Matt’s troubled son while Farrah deals with an employee at FroCo that’s not living up to her high standards. Tyler and Catelynn celebrate Butch’s first year out of prison, while Taylor and Bentley plan something special for Maci’s birthday.

Amber goes on a date with a new guy, while Catelynn and Tyler get their parents involved with planning a perfect Christmas for Carly. Maci makes a shocking announcement, and Farrah breaks the news to her parents she wants to move to California.

Farrah and her parents take a trip to Arizona - but end up arguing the whole time, and Catelynn reunites with her father for the first time since the adoption. Amber reaches out to Gary to re-unite her family on the emotional anniversary of a tragedy, while Maci considers withdrawing from school.

Ryan confronts Maci about their custody arrangment. Amber has second thoughts giving Gary full custody of Leah. Farrah misses Sophia. Catelynn and Tyler reflect on the adoption. A tribute to the four original moms depicting their journey through both 16 & Pregnant and Teen Mom

Catelynn and Tyler find out they will not graduate from High School on time, while Maci tries to work out a visitation schedule with Ryan in spite of being angry about their last encounter. Farrah has an emotional reunion with Sophia's dad's sister for the first time since he died, and Amber lashes out at Gary when he calls her a bad mom and threatens to take Leah away.

Maci confronts her ex, Ryan, about missing child support payments - and he lashes back at her new boyfriend. Amber has to choose between her baby's dad and her new boyfriend. Catelynn and Tyler consider moving in together while still in high school, and single mom Farrah considers making a big change.

Farrah and Sophia visit Sophia's father's grave; Amber and her mother argue; Maci struggles to keep up; Catelynn and Tyler want to invite their daughter to graduation.