When does Harley Quinn return?

The series is based on the DC Comics character of the same name. It follows the adventures of Harley Quinn and her best friend Poison Ivy after leaving her boyfriend, the Joker. The show premiered on November 29, 2019. The first and second seasons premiered on DC Universe, before moving to HBO Max for its third.
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. As the series progresses, more DC characters gain a bigger role in the story.