Teen Mom 2 Season 3 Preview: Leah Tells Her Twins She's Pregnant, Jenelle Struggles With Addiction, and More! (VIDEO)

Teen Mom 2 is back and the drama is bigger than ever!

Leah Messer moves on after an emotional divorce, only to discover she's expecting a baby with new hubby, Jeremy Calvert. Jenelle Evans faces jail time as she struggles with drug addiction, while Chelsea Houska deals with her own addiction — baby daddy Adam Lind. Meanwhile, Kailyn Lowry struggles to give her son Isaac the sense of family he deserves. 

Catch all the drama when Teen Mom 2 Season 3 premieres on Monday, Nov. 12 at 10 p.m. ET on MTV.