Harley Quinn is fed up being the Joker’s sidekick and strikes out on her own – determined to become the criminal Queenpin of Gotham City.

Determined to become one of the vaunted Legion of Doom, Harley attempts to make a big splash by crashing one of their criminal enterprises with the help of her BFF, Poison Ivy.

Realizing she needs a crew to pull off heists that will attract the Legion of Doom’s attention, Harley attempts to recruit Dr. Psycho and Clayface.

Harley recruits her friend and mentor Queen of Fables to help her steal a force field from STAR Labs, to steal a weather-changing machine, so she can impress the Legion of Doom. Meanwhile, Poison Ivy dates Kite Man.

Now a member of the Legion of Doom and The Joker’s equal, Harley finds herself spending time with him. Will she slip into her old ways?

After a falling out with her crew, Harley heads back home to Bensonhurst, where her doting mother waits for her... and her deadbeat dad, who’s more dangerous than anticipated.

Harley must rescue Ivy from the clutches of Scarecrow, who’s trying to harvest her pheromones to make a super toxin that turns plants into sentient monsters.

In the season finale, Harley has her final showdown with the Joker, when [spoilers] [spoil] [spoilers]. Will they [spoiler]? Maybe. But you can bet they [spoiler]!

Harley & Ivy team up with Catwoman to steal a museum artifact that’s been boobytrapped by Dr. Trap. Meanwhile, Dr. Psycho tries to prove himself as a leader.

It's Bachelor/Bachelorette weekend for Ivy and Kite Man.

In order to defeat Psycho's army, Harley & Joker need to track down Fables' storybook with the Justice League inside.

Harley crashes Ivy's wedding to stop Gordon and his officers from interrupting the nuptials.

After a heist gone wrong, Harley takes the crew to an escape room to foster camaraderie and sharpen Ivy’s leadership skills.

When Frank goes missing, Harley and Ivy follow clues that lead them to a highly unconventional party alongside Gotham’s elite, including Commissioner Gordon – who is hungry for campaign donations.

Harley, Ivy, and Nora travel to New Orleans in search of Swamp Thing, who just might be able to help them find Frank.

When an inadvertent plant zombie apocalypse breaks out in Gotham, Harley fights to save the city, while Ivy embraces her inner supervillain.

After her terraforming plan goes awry, Ivy is enticed by an offer to take over the Legion of Doom, while Harley questions her path forward.

Harley and Ivy struggle to find their footing in their new respective roles in the Bat Family and the Legion of Doom.

After breaking the Bat Family’s #1 rule, a demoted Harley shadows Alfred, while Ivy finds an unexpected mentor at a networking event.

When Batgirl goes missing, Harley goes on an adventure with her roommate, while a spotlight-shy Ivy connects with a PR team after her Malcon success.

Harley investigates the sudden death of a hero, while Ivy tries to take down the Jons and Joker announces a career change.