Teen Mom 2 - Season 2

Leah is devastated when she finds out Ali must be sedated for an MRI. Jenelle is living in her car with Keiffer. Chelsea gives Adam another chance but re-tears her ACL. Kailyn can't afford to live on her own.

Kailyn moves out without telling her mom. Jenelle files charges against Kieffer. Chelsea relies on Adam to take care of Aubree while she recovers from surgery. Corey and Leah get emotional during Ali's MRI.

Ali's MRI comes back negative to the relief of Leah. Jenelle juggles finding peace with her mom and dealing with Kieffer's domestic charges. Kailyn tries a new form of birth control. Chelsea fends for herself after surgery.

Kailyn adjusts to being alone for the holidays. Jenelle regrets filing charges against Kieffer. Leah works to make the holidays special for the twins. Chelsea and Adam make up but Randy bans Adam from the holiday celebration.

Ali may have a genetic disorder. Jenelle and Kieffer must face court for their breaking and entering charges. Chelsea finds out that her old friend is pregnant. Kailyn gets annoyed when she notices Jo's not around for Issac.