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Briana's ex, Devoin, provokes her to take legal action against him. Katie fights with Joey over responsibility. Alex’s ex, Matt returns from rehab, questioning the relationship. Mackenzie fights with Josh on 2yr anniversary.

Briana reconsiders her decision to file an order of protection against Devoin. Mackenzie wants Josh to move in with her family, and Alex struggles to trust Matt. Joey has an unexpected question to ask Katie.

Katie and Joey clash over finances and Briana lets Devoin babysit Nova for the first time. Alex and Matt work on their relationship while Mackenzie goes behind her mom's back and gets on birth control.

Mackenzie and Josh go to prom, and Briana is overwhelmed with baby expenses. Katie and Joey decide to go to counseling, and Alex finds out that Matt has been talking to another girl.

Briana's sister Brittney goes on a road trip, leaving Briana behind, and Alex and Matt attempt to work on their issues. Mackenzie and Josh go to the first rodeo of the season. Against Joey's wishes Katie models in fashion show.

Briana makes a decision about Devoin's role in her daughter's life. Katie is suspicious of Joey's extracurricular activities. Alex pushes Matt away for good. Mackenzie tries to support Josh as he competes at his first rodeo.

Briana finally faces Devoin in court. Katie urges Joey to consider a new job offer. Mackenzie struggles with Josh when he puts rodeo before her, and Alex is shocked when Matt rejects a life-changing offer.

Tension rises between the sisters when Briana starts college. Katie struggles to accept Joey’s graveyard shift attitude. Alex decides to go to prom, and Mackenzie and Josh are barely communicating on Father’s Day.

Briana decides to get on birth control, and Alex accuses her mom of losing prized possessions. Katie’s birthday turns into a disaster, and Mackenzie discovers that Josh has been lying to her for a long time.

Briana celebrates her birthday, Alex starts dating again, Mackenzie goes camping, and Katie reaches a breaking point.

Josh tries to re-igninte the flame with Mackenzie, Briana gets pressured against dating, Alex has a much needed night out, and Katie deals with break-up issues.

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.

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.

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. Air Date: Nov 14, 2013

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. Air Date: Nov 18, 2013

Dr. Drew reveals Katie, Briana, Mackenzie and Alex's unseen moments that didn't air this season.