Teen Mom

Catelynn and Tyler make big plans after receiving life-changing news, Maci considers a new approach to co-parenting with Ryan, and Amber struggles with her feelings for Gary.

Amber has complicated feelings about Gary and Kristina's relationship, Maci gets emotional when Bentley starts kindergarten, and Catelynn and Tyler throw a gender-reveal party.

A lack of communication makes co-parenting difficult for Maci and Ryan, Amber embarks on her book tour, and a social media post lands Catelynn and Tyler in hot water.

Gary tells Amber that Kristina is having a baby, Teresa sets up a meeting with Catelynn and Tyler, and Maci and Taylor share their pregnancy news while planning a party for Bentley.

Gary's flirting goes too far for Amber, Maci tells Ryan about her pregnancy, Catelynn and Tyler reunite with Carly, and Farrah makes her return.

News of Farrah's return leaves Maci with a difficult decision, Amber reveals her new relationship, and Catelynn's health becomes a concern for her pregnancy.

Maci reconsiders her decision to leave the show, Catelynn and Tyler adjust to life with a new baby, and Amber's family voices concern about her new relationship.

The moms meet up for press interviews in New York City, and things get heated when Farrah finds out that her return nearly caused Maci to leave the show.

Farrah considers a new business venture, an argument between Matt and Amber blows up in Las Vegas, and Maci confronts Ryan about Bentley's well-being after a startling car accident.

Farrah introduces Simon to Sophia, Catelynn leaves Nova with her mom for a weekend, Maci and Taylor buy their first home together, and Amber's family worries after learning more about Matt.

The moms reveal how their lives have changed since first appearing on TV as teens, Maci opens about wanting to leave the show, and Amber discusses her relationship with Matt.

Catelynn chats about adjusting to motherhood, Farrah discusses her life as a single parent, and Dr. Drew tries to help the moms settle their differences.

Farrah prepares to leave Sophia with her mother before heading overseas, Amber pushes for joint custody when Leah refuses to visit, and Maci makes a difficult parenting decision.

Dr. Drew and the moms look back on never-before-seen moments from the season, including Farrah's strategy session about her literary career and Catelynn's fundraiser for a child with cancer.

Gary makes changes to Amber's visitation with Leah, Farrah's past prevents her from attending an upscale party, and Catelynn and Tyler cut loose for their pre-wedding festivities.

Amber struggles with custody issues, Maci invites Ryan to a mud run, Farrah reconsiders her breakup with Simon, and Tyler introduces his father to Nova for the first time.

Dr. Drew sits down with the cast of Teen Mom OG in front of a studio audience, and chats with Maci about her decision to pull Bentley off the show. Amber and Matt discuss their age difference.

In part two, Catelynn has an adorable surprise for Teresa, and Farrah discusses all of the drama that surrounded her return to the show.The four moms finally get serious and unpack the conflict between them.

Farrah takes Sophia to visit Derek's family, Catelynn deals with anxiety after introducing Nova to Carly, and Ryan pushes Maci for more time with Bentley.

Amber and Matt start a house-flipping business, Farrah reconsiders allowing her mom to watch Sophia, and Catelynn and Tyler celebrate their wedding day.

Gary goes to Amber with concerns about Matt, Maci throws a party for Bentley's seventh birthday, and Tyler worries about Catelynn's mental health.

Maci takes Bentley trick-or-treating when Ryan doesn't show, Amber stops by Gary's house on Leah's birthday, Catelynn and Tyler leave for Hawaii, and Farrah makes a major life decision.

Farrah reconsiders her relationship with Simon, Tyler worries when Butch wants to move out, Maci is overwhelmed by the workload at home, and Amber wants to take Leah on vacation.

Farrah and Simon consider the next step in their relationship, Maci handles Taylor's business needs, and Catelynn is diagnosed with postpartum depression.

Butch's legal requirements cause issues for Catelynn and Tyler while planning Nova's birthday, Farrah looks at houses in L.A., and Amber and Gary consider a new custody arrangement.