Amber Portwood, Maci Bookout, Farrah Abraham and Catelynn Lowell Amber Portwood, Maci Bookout, Farrah Abraham and Catelynn Lowell

Set your DVRs: Teen Mom OG will premiere on Monday, March 23 at 10/9c on MTV.

The series — featuring the four "original girls" of the franchise Farrah Abraham, Maci Bookout, Catelynn Lowell and Amber Portwood — will break the fourth wall, showing their interactions and relationships with the production crew and camera people, along with the challenges of raising young children who are now in school.

They're back! Here's your refresher before Teen Mom OG premieres

The quartet starred on Teen Mom, a spin-off of 16 & Pregnant, for four seasons. Since show wrapped in 2012, Lowell has had another baby, Portwood did a stint in jail, Bookout is currently expecting her second child, and Abraham made a "sex tape"... and a whole lot more.

Will you watch Teen Mom OG?

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