When does Hart of Dixie return?

Hart of Dixie is an American comedy-drama television series that aired on The CW from September 26, 2011, to March 27, 2015. The series, created by Leila Gerstein, stars Rachel Bilson as Dr. Zoe Hart, a New Yorker who, after her dreams of becoming a heart surgeon fall apart, accepts an offer to work as a general practitioner in the fictional Gulf Coast town of Bluebell, Alabama. The show was scheduled to move back to Mondays in the fall for its third season, having been paired with Beauty & the Beast. On May 8, 2014, The CW renewed the show for its fourth season.