Unexpected

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.

Chloe has to miss school because Ava has pink eye. Tyra worries she's losing friends because of her pregnancy. Hailey finally meets Matthew's sister at a birthing class gone awry. And McKayla and Caelan have an argument they might not come back from.

Chloe worries that Max might start trouble at Ava's baptism. Tyra is in the hospital and ready to have her baby. Matthew has been texting with Hailey's best friend. And Rilah gets upset when her mother moves the family an hour away from her boyfriend.

Things get scary when Tyra tries to induce. Hailey is depressed when Matthew goes MIA. Anthony's family is concerned he isn't the father of Rilah's baby. And Caelan doesn't believe that McKayla is actually in labor.

Tyra and Alex experience parenthood for the first time. Chloe isn't sure she can stay with Max. Anthony questions the paternity of Rilah's baby. And a dinner with McKayla and Caelan's families goes left.

Anthony looks to prove paternity at Rilah's 4D ultrasound. Max reveals more about his addiction when he meets with a therapist. Matthew visits Hailey's house to build a crib. Tyra and Alex leave the hospital and take the baby to visit Alex's family.

Chloe keeps apartment hunting with Max from her parents. Hailey worries what it means if the "other Hailey" skips her baby shower. McKayla moves out of the house she once shared with Caelan. Rilah's mother gets real with Anthony about his mother.

Rosa and Rebecca finally meet at Rilah's baby shower. Tyra isn't comfortable visiting Alex's family with Alex and the baby. McKayla goes to the hospital to be induced. Jessica and Nate find out Chloe and Max broke their only rule.

Shelly meets her granddaughter, despite McKayla's wishes she stay away. Amidst tension with Alex's family, Tyra reconnects with some old friends. Hailey begins to fear childbirth. Chloe gets ready for the prom and Max gets some bad news.

Hailey and Matthew welcome their baby girl, and a whole lot of drama, into the world. Max learns that he's going to rehab, and breaks the news to Chloe. Tyra's family looks for a new house. Rilah is rushed to the hospital.

Anthony starts to think more seriously about his relationship with Rilah. Alex tells his grandmother he's moving out... but immediately has second thoughts. The rehab has a bed for Max... but the timing isn't great. McKayla starts her post-Caelan life.

Chloe goes to the prom without Max. Caelan and Shelly meet with an attorney. Alex feels caught between Tyra and his grandmother. Rilah's blood pressure spikes, and her baby's heart rate drops. After another fight with Matthew, Hailey gets shocking news.

Rilah delivers her baby. Caelan records a song he wrote about McKayla. Max comes home from rehab and Chloe graduates high school. Matthew talks to Hailey 2 about being his girlfriend, but there is something he hasn't told her about the first Hailey.

The young moms meet for the first time. Rilah's mom confronts Anthony's mother. Chloe reveals information about her relationship with Max, and Max opens up about his addiction. Hailey and Tanya take on Matthew, and Hailey 2 joins them on stage.

Matthew and Hailey 2 have a shocking announcement. McKayla and her family come face to face with Caelan and his mom. Tyra and Alex share recent developments in their relationship. And the teen couples take the stage together with their babies.