Tensions mount between the families as everyone has conflicting ideas for what is best for the young parents and their child – from where they will live to whether or not they should get married.

15 year-old Lexus thinks she's in labor and heads to the hospital. As a pregnant 16 year-old, McKayla finds prom dress shopping nearly impossible. 16 year-old Lilly's family gets to know the father of her baby, James, at his party.

McKayla is forced to choose sides when she must decide whom she wants in the delivery room. James learns some shocking facts about childbirth from his sister. And the stresses of the newborn baby tear Lexus and her mother apart.

Tension grows between McKayla's and Caelan's mothers; Kelsey realizes teen parents-to-be aren't prepared for what's next while driving home from Lexus' false labor; Lilly and her mom are upset when James bails on birthing class.

Lexus finally gives birth. After getting ditched yet again by James, a pregnant Lilly receives some tough love from her mother. Tensions between McKayla's mother and Caelen's mother finally erupt.

Lilly's mom doesn't want the baby to have James' last name. Two weeks before her own due date, McKayla visits her newborn sister. Lexus and Shayden grapple with raising a newborn. And one of the teen girls is given a ring.

McKayla's baby's name is met with lots of tears; Shayden struggles with Kelsey's rules and Lexus feels her mom is pushing her away; Lilly gets more than she bargained for when she tries to induce labor; Caelen surprises McKayla with a bold proposition.

The families of “Unexpected” come together for the first time as parents, grandparents and great-grandparents share insight into their stories, and give updates on what’s been happening since the cameras stopped rolling.

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McKayla. 17, decides to move out of her grandparents' house with her baby. Lexus, 16, reveals the details on her breakup with Shayden. 16 year-old Chloe's boyfriend Max has a lot to learn. Pregnant Emiley, 18, is frustrated with her boyfriend, Diego.

Lexus reunites with her child's father. Shannon tells her daughter, McKayla, she can move in, but her boyfriend is not welcome. Diego does not participate at Emiley's baby shower. Chloe reveals to Max that her mom doesn't like him and tension build.

Mckayla tells Caelan that he needs to step up as a father; Emiley tries to make things work with Diego; Laura and her boyfriend, Tylor, are just days away from inducing labor; and Lexus tells her mom, Kelsey, that she’s back together with Shayden.

Tim and Cindy see Shannon’s new house and don’t approve; Chloe attends her new school for pregnant teens; Laura’s induction day coincides with her sister’s birthday; and Kelsey considers pursuing guardianship of Scarlett.

Laura and Tylor bring the baby home; Chloe and Jessica prep for the baby shower; Diego finally attends a doctor appointment with Emiley; McKayla decides whether or not to move in with Shannon.

Chloe and Jessica have a tearful disagreement; Shannon confronts the family. Meanwhile, after having a false alarm, Emiley goes into labor; and Lexus struggles to get her license.

Emiley gives birth to a baby girl; Chloe has her all-girl baby shower; Tylor wants to become a stripper; Lexus finally lands a job; Mckayla takes a pregnancy test.

Caelan & Mckayla discuss the next steps in their relationship. Emiley and Diego bring baby Aria home. Chloe's parents finally meet Max's dad. Tylor cheated on Laura. Lexus talks about her sexuality.

Emiley and Diego want to change Aria's doctor. Mckayla and Caelan move out on their own, despite their constant fighting. Laura talks to Anna about sex.

Emiley is worried about making the cheer team. McKayla tries on wedding dresses. Laura and Margee talks to Anna about safe sex. Chloe is a week overdue wants to be induced. Lexus and Shayden go to prom.

Chloe goes into labor; Krista brings Emiley and Diego condoms; Laura celebrates her 18th birthday; Mckayla plans her wedding.

Emiley gives birth to a baby girl. Chloe has her all-girl baby shower. Tylor wants to become a stripper. Lexus finally lands a job. Mckayla takes a pregnancy test.

Emiley has cheer tryouts; Chloe gives birth; Mckayla has some concerns about marriage; it’s Scarlett’s first birthday, but Lexus and Shayden get into a huge argument.

Chloe brings Ava home without Max; Mckayla has some big news to share with Tim; Emiley has a discussion with her and Diego’s family; and Tylor wants to propose.

Ricki Lake brings the five families together to discuss all the drama of the past year. Secrets are revealed, breakups explained and one couple has a surprising announcement.

McKayla is back and she's having another baby! Chloe worries that Max may go to jail. Hailey is looking forward to meeting Matthew's sister. And Tyra and Alex get a closer look at their baby.