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 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.

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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