When does Gilmore Girls return?

Gilmore Girls is an American comedy drama television series created by Amy Sherman-Palladino and starring Lauren Graham (Lorelai Gilmore) and Alexis Bledel (Rory Gilmore) The show debuted on October 5, 2000, on The WB and became a flagship series for the network. Gilmore Girls ran for seven seasons, the final season moving to The CW and ending its run on May 15, 2007. The series has been cited in TV (The Book) and Time magazine as one of the 100 greatest television shows of all time.
This show follows the lives of a 32-year-old single mother Lorelai Gilmore and her intellectual teenage daughter Rory Gilmore whom she had at the age of 16. The contrasting mother-daughter relationships of Emily/Lorelai and Rory become a defining theme of the show and a lens through which many of the female relationships are viewed. Rory's best friend is Lane Kim, the daughter of a strict, religious, and protective Korean immigrant, who struggles to hide her love for rock music and other aspects of pop culture from her mother.