S4 E1 • Under Pressure

Leah deals with reemerging feelings for Corey; Jenelle and Gary spend time with Jace; Kailyn and Jo fight; Chelsea fears another pregnancy.

Première diffusion : 18 février 2013

S4 E2 • Love Hurts

Kailyn and Jo go to court; Chelsea has her first day at beauty school; Leah expresses feelings for Corey; Jenelle learns that Gary has slept with her best friend.

Première diffusion : 25 février 2013

S4 E3 • The Future Is Now

Leah is torn between Corey and Jeremy; Adam wants to see Aubree; Jenelle finishes probation; Kailyn takes Isaac to Jo's place.

Première diffusion : 4 mars 2013

S4 E4 • Faded Love

Jenelle ends up getting back together with Kieffer. Chelsea reveals her pregnancy scare to her mom. Kailyn attempts to revisie her custody agreement for the second time. Jeremy and Corey have a talk about Jeremy's intentions with Leah.

Première diffusion : 11 mars 2013

S4 E5 • So Hard to Say Goodbye

Leah chooses who she truly wants to be with. Kailyn and Javi's relationship gets stronger when the two take a big step. Jenelle and Kieffer go back to their old ways.

Première diffusion : 18 mars 2013

S4 E6 • Fall to Pieces

As Kieffer ends up becoming the same bad influence, Jenelle tries to stay responsible. Leah starts to prepare for her upcoming wedding. Chelsea receives the news about Adam's new girlfriend. Kailyn is left rethinking her actions after she has a violent outburst toward Javi.

Première diffusion : 25 mars 2013

S4 E7 • For Better or for Worse

The day has come for Leah and Jeremy to get married. Meanwhile, Kailyn and Javi start to discuss their future and possible marriage. Adam attempts to make Chelsea jealous. Gary has a surprise in store for Jenelle.

Première diffusion : 1 avril 2013

S4 E8 • Don't Be Cruel

A domestic violence incident between Gary and Jenelle sends them both to jail. Kailyn and Javi contemplate getting married in Las Vegas. Leah and Jeremy start their married life together by purchasing a new home.

Première diffusion : 1 avril 2013

S4 E9 • Sweet Dreams

Chelsea chooses to take a break from school. Leah tries to contact her biological father. After her fight with Gary, Jenelle goes to court.

Première diffusion : 8 avril 2013

S4 E10 • For Love and Money

Jenelle, Barb and Kieffer come together to celebrate Jace's third birthday. Wedding bells are ringing after Leah and Jeremy get married. Chelsea goes out for a night on the town to celebrate her 21st birthday.

Première diffusion : 15 avril 2013

S4 E11 • Hard Knocks

Chelsea celebrates Aubree's third birthday. Jenelle's small chances of gaining custody of Jace are shown. Leah takes Ali to a doctors appointment. Kailyn has to inform Jo about her future with Javi.

Première diffusion : 22 avril 2013

S4 E12 • The End of the Road

Première diffusion : 29 avril 2013

S4 E13 • Unseen Moments

Première diffusion : 29 avril 2013

S4 E14 • Finale Special: Check Up with Dr. Drew Part 1

Première diffusion : 6 mai 2013

S4 E15 • Finale Special: Check Up with Dr. Drew Part 2

Première diffusion : 13 mai 2013