WATCH: Orange is the New Black Season 4 Trailer

The ladies of Litchfield are back with Series 4 promising to be a lot darker if this trailer is anything to go by.

OITNB really put Netflix on the map in 2013 as a real competitor of original content. Entering into its forth series, the show has won the approval of critics and audiences alike, is the most watched Netflix original series and has earned numerous Emmy and Golden Globe nominations and wins. Season 4 will see Litchfield Prison faced with racial and economic tensions run rampant. With fiery inmates and inexperienced guards, the halls of Litchfield are more dangerous now than ever before.
Orange is the New Black Season 4 will premiere on June 17.