Before Maci, Farrah, Amber and Catelynn return as teenage mothers, the audience is presented with a look at the most significant moments from 16 and Pregnant.
Leah and Jeremy marry in Myrtle Beach. Javi has a big surprise for Kailyn. Jenelle, Barb, and Kieffer celebrate Jace's 3rd birthday but Jenelle reveals she has some serious money problem. Chelsea celebrates her 21st birthday.
Teen mom Maci contemplates breaking up with her fiancé, Ryan, Farrah starts dating a new guy even though her family disapproves. Amber struggles to get her GED, and Catelynn feels distant from her daughter since the adoption.
Catelynn's family lashes out over her choice of adoption while Amber and her fiancé Gary come to blows. Farrah learns that dating isn't easy, and Maci struggles to balance motherhood and school.
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.
Catelynn chooses adoption during a weekend retreat with other birth moms, while Maci and Ryan reach out to a counselor. Amber thinks about accepting help from her ex, and Farrah wonders if she should stay home more with her baby.
Teenage mother Maci struggles with resenting her boyfriend, while Catelynn worries her boyfriend's father might go to jail. Farrah shifts her focus to her daughter, and Amber faces her fears about putting her baby in daycare.
Amber wants to put an end to the fighting and move away from Gary. Farrah can't stand living under her parents' roof anymore. Maci struggles to keep up in school when her son starts walking. Catelynn and Tyler plan their future.
Catelynn & Tyler work on letting go of Carly, & Tyler works up the nerve to propose marriage to Catelynn. Maci and Ryan celebrate Bentley's first birthday. Amber copes with the pressures while planning Leah's 1st birthday.
Celebrate 10 years of OG as Dr. Drew & Nessa sit down with the cast to discuss this action packed season. Cate and Ty sit down with Brandon and Theresa for the first time in a decade. Ryan speaks on his addiction.