Season 4

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.

Catelynn and Tyler attend their high school graduation while Maci thinks about joining Ryan on his family vacation. Farrah begins setting into her new home only to have to deal with her parents' overbearing concerns. Amber learns that Gary and Leah are planning to visit her in rehab.

Gary and Leah visit Amber in rehab and Farrah goes on a date with her neighbor. Maci tags along on Ryan's family vacation, and meets Ryan's new girlfriend, Dalis. And Catelynn and Tyler question letting Butch move back into their home.

Amber and Gary work on their relationship issues and Maci struggles to make choices about her college classes. Farrah visits her parents only to become annoyed with their concerns for Sophia. Catelynn and her grandmother attend a birth parent support group.

A visit from Farrah's mom and sister leads to a blowup, and Maci enrolls her son Bentley in preschool. Catelynn and Tyler face issues with Butch, while Amber debates leaving rehab early.

Maci and Ryan clash over Bentley attending preschool. Tyler pressures Catelynn to enroll in college while Farrah begins dating a new guy. After completing two months in rehab, Amber finally heads back home.

Maci and Kyle contemplate buying a house togther and Farrah introduces Sophia to her new boyfriend. Now that she's home Amber struggles to find a way to see her daughter Leah. A fight between Catelynn and Tyler's parents throw thier family's future into question.

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.

Farrah and Daniel talk about their future while paddle-boating together on their Texas vacation. Farrah begins to ask about Daniel's thoughts on marriage and

Maci and Ryan fight over Bentley's birthday. Farrah spends time with Sophia before leaving for a month. Amber and Gary agree on a custody plan for Leah. Catelynn and Tyler help their parents deal with their issues.

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