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 follows the adventures of Harley Quinn and her partner Poison Ivy after leaving her boyfriend, the Joker. The first and second seasons premiered on DC Universe, before moving to HBO Max for its third season. A standalone holiday-themed special episode premiered on February 9, 2023. A fifth season was renewed for a fifth season, which premiered on January 16, 2025.
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.