Lilly and Kim discuss the baby's last name.

James gives Lilly a ring.

Lexus talks about her lack of friends, being lonely and fighting with Shayden.

James gets an education about birth and babies from his mom and sister.

McKayla en route to the hospital with her grandparents.

McKayla starts to feel protective of her new baby now that he is out in the world.

Lilly tries to kick-start her labor by dancing in her living room.

Lexus has a family cookout for her 16th birthday.

McKayla has a dramatic reaction when Shelly and Shannon finally confront each other face-to-face about their feud that unfolded throughout the season.

Meet the three families of Unexpected as they face the challenges of teen pregnancy and parenthood.

Lilly vents to her mom how lonely she feels now that she's pregnant and her friends have moved on.

Lexus is fifteen and about to be a mom.

A teen mom herself, Kelsey never imagined her daughter would follow in her footsteps. Now she's about to become a grandmother.

When Leah proposes a girls road trip, Vicki suggests that they go camping instead but Sofia isn't too keen on the idea.

Leah's mom Vicki wants to know what the family really thinks of her, so she plans a fake wake. Who knew a phony event could lead to real tears?

Leah's family touches down in New York, and Leah immediately begins wiping down every surface in their hotel room.