Alex reflects on her relationship with Matt and hopes that Arabella won't make the same mistakes.
Mackenzie tries to get Josh to discuss their future together.
On the dramatic new season of Teen Mom 2, Leah, Jenelle, Kailyn and Chelsea deal with the ups and downs of motherhood, relationships, finances and careers while facing some of their biggest challenges yet.
Here's what happened on the season finale of 'Teen Mom 3.'
Teen Mom 3 is a spin-off of the MTV documentary series 16 and Pregnant. We are following the stories of Mackenzie, Katie, Briana, and Alex from the fourth season of 16 and Pregnant who are facing the challenges of their first years of motherhood.
Mackenzie gets lessons in laundry and cooking from her mom and hits a bit of a setback in the egg portion.
Mackenzie, her mom and Gannon go shopping for an upcoming camping trip and Mackenzie fears the worst after Josh asks for space.
Here's what happened on episode 12 of Teen Mom 3.
Mackenzie vents to Josh about her mom's judgement of their relationship.
Katie offers a big shocker about the current status of her relationship with Joey and things heat up when he faces her mom on stage. Meanwhile, things get explosive when Briana confronts Devoin about his role as Nova's father.
In part two of the Finale Special, Alex's reveals her suspicions about Matt's drug use. Mackenzie and Josh try to reconcile their relationship after exposing the fact that they cheated on each other.
Katie wants to celebrate Molli's first birthday with Joey, while Briana surprisingly reaches out to Devoin. Alex tries to co-parent with Matt, and Mackenzie and Josh disagree on what it means to be a family.
Briana pursues a secret relationship, while Alex invites Matt to celebrate Arabella's first birthday. Katie lets Joey take care of Molli for the weekend, and Mackenzie and her parents don't see eye-to-eye.
Mackenzie is heartbroken about Josh but decides not to chase after him. Briana wants to start dating but her mom is extremely against it. Alex goes out for the first time since having Arabella, and Katie is stunned at how quickly Joey has moved on.