When does Stargirl return?

DC's Stargirl is an American superhero television series created by Geoff Johns. It is based on the DC Comics superhero Courtney Whitmore, created by Johns and Lee Moder. The series follows a high school student who discovers the Cosmic Staff of Starman and becomes the inspiration for a new generation of superheroes who become the new incarnation of the Justice Society of America.
One decade after most members of the Justice Society of America (JSA) are killed in battle against the Injustice Society (ISA) In season two, Stargirl and the JSA contend with the re-emergence of former ISA member Shade and a mysterious entity known as Eclipso, who works with Cindy to create a new ISA called Injustice Unlimited.