When does Harley Quinn return?

Harley Quinn is an American adult animated black comedy superhero television series based on the DC Comics character of the same name. The series is written and executive-produced by Justin Halpern, Patrick Schumacker, and Dean Lorey. It follows the adventures of Harley Quinn and her best friend Poison Ivy after leaving her ex-boyfriend, the Joker. The first and second seasons premiered on DC Universe, before moving to HBO Max for its third season. A spin-off series, Kite Man: Hell Yeah! premiered in July 2024.
The series follows the adventures of Harley Quinn and her journey of self-discovery after breaking up with the Joker. Harley intends to make a name for herself in Gotham City's criminal underworld. The main storyline revolves around the relationship between Harley and Ivy. They form a new crime-fighting team called the Gotham City Sirens.