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In Part 2 of the reunion, Amber reveals never before heard information about her recent arrest, Butch defends his actions to Cate and Ty, Maci speaks candidly with Jen and Larry, and the entire cast reflects on 10 years of OG.

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.

Cheyenne confronts Cory’s girlfriend, Taylor, about her past racist tweets, while Maci takes Bentley to see a counselor to help him process everything that has gone on with Ryan. Mackenzie gets devastating news about her mom’s cancer.

Amber feels she’s at a breaking point with Andrew. Cheyenne takes a trip to wine country with Matt and Ryder to test out if he can handle parenting Ryder. As Mackenzie tries to prepare for a fitness competition, Josh goes MIA.

Maci and Taylor take the family to Atlanta for Bentley’s baseball tournament and Ryan makes a surprise appearance. Cheyenne’s father grills Matt about his unconditional love while Cory and Taylor discuss the possibility of hanging out all together.

As Maci comes to the end of her birth control, she suggests Taylor get a vasectomy. When social media explodes after Tyler goes out with friends in Arizona, Catelynn has a night out on the town with her girlfriends. Cheyenne goes to Baltimore.

Amber and Gary discuss how to handle Leah’s panic attacks. Cheyenne questions Cory’s priorities when he goes on vacation with Taylor at the same time that his mom comes to town to visit. Maci throws Taylor a surprise 30th birthday party.

Catelynn celebrates Mother's Day at home while Tyler visits his sister in Texas and discovers that Butch has relapsed; Maci goes to Washington to advocate for PCOS; Cheyenne is shocked at Cory's girlfriend's behavior.

The ladies take their first girls' trip together in 10 years to Florida; excited for a chance to be away, Catelynn breaks the news to Nova who doesn't take it well; Maci plans a birthday surprise for Amber at a drag show.

Ryan returns home after spending 90 days in jail and Maci is disappointed he doesn’t make more of an effort with Bentley. Cheyenne and Matt’s relationship is getting serious, but Cory is shocked when he finds out they want to have a baby.

Maci and Taylor have a TTM photoshoot debuting their toddler line, while Ryan’s family prepares for his release from prison. Catelynn worries that Nova isn’t adjusting to her new sister Vaeda, so decides to buy her a pony.

The teen moms field questions from fans of the series.

Cory and Taylor grow closer, Maci tells Bentley about Ryan's arrest, and Cheyenne doesn't think Cory understands the complexities of Ryder's genetic disorder.

Catelynn and Tyler work out their differences, Cheyenne disapproves of Cory's girlfriend, Maci is wary about speaking with Ryan, and Amber discusses her spat with Jenelle.