Continue below for the episode guide from the Warner Bros. Animation series Harley Quinn. The descriptions below come directly from Warner Bros. Animation.
Season One
General Description
Harley Quinn has finally broken things off once and for all with the Joker and attempts to make it on her own as the criminal Queenpin of Gotham City in this half-hour adult animated action-comedy series. With the help of Poison Ivy and a ragtag crew of DC castoffs, Harley tries to earn a seat at the biggest table in villainy: the Legion of the Doom!
#1. “Til Death Do Us Part”
Episode Premiere Date – November 29, 2019
In the series premiere, 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.
#2. “A High Bar”
Episode Premiere Date – December 6, 2019
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.
#3. “So You Need A Crew?”
Episode Premiere Date – December 13, 2020
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.
#4. “Finding Mr. Right”
Episode Premiere Date – December 20, 2020
In search of a nemesis, Harley goes after Batman, but ends up with an adolescent Robin, making her the laughing stock of the criminal underworld.
#5. “Being Harley Quinn”
Episode Premiere Date – December 27, 2020
When Harley suffers a paralyzing identity crisis, her crew must enter Harley’s mind to free her with the help of Dr. Psycho’s telepathic powers.
#6. “You’re A Damn Good Cop, Jim Gordon”
Episode Premiere Date – January 3, 2020
When Clayface loses his arm in a heist, it turns out to be not only evidence for Jim Gordon, but also a key witness against Harley and her crew.
#7. “The Line”
Episode Premiere Date – January 10, 2020
Harley breaks the Queen of Fables out of prison to add some evil oomph to her crew – but maybe Fables is a little TOO evil?
#8. “L.O.D.R.S.V.P.”
Episode Premiere Date – January 17, 2020
Harley gets an invite to the Legion of Doom’s prospective members party, but Poison Ivy discovers that it’s her they’re really after.
#9. “A Seat At The Table”
Episode Premiere Date – January 24, 2020
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?
#10 “Bensonhurst”
Episode Premiere Date – January 31, 2020
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.
#11 “Harley Quinn Highway”
Episode Premiere Date – February 7, 2020
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.
#12 “Devil’s Snare”
Episode Premiere Date – February 14, 2020
Harley thinks the Legion of Doom is behind Ivy’s capture and the tree monsters currently ravaging Gotham.
#13 “The Final Joke”
Episode Premiere Date – February 21, 2020 (Season Finale)
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]!
Season Two
General description
Harley Quinn has taken down the Joker and Gotham City is finally hers for the taking…whatever’s left of it that is. Gotham has become a desolate wasteland, left in ruins, following the huge earthquake caused by the collapse of Joker’s tower. Harley’s celebration in this newly created chaos is cut short when Penguin, Bane, Mr. Freeze, The Riddler and Two Face join forces to restore order in the criminal underworld. Calling themselves the Injustice League, this group now stands in the way of Harley and her crew from taking sole control of Gotham as the top villains of the city.
#14. “New Gotham”
Episode Premiere Date – April 3, 2020
After Gotham is declared no longer part of the United States, the newly formed Injustice League try to seize control of the city away from Harley in the season premiere episode.
#15. “Riddle U”
Episode Premiere Date – April 10, 2020
Harley & Ivy go undercover as college students to take down Riddler, who’s made himself dean of the local university with sinister plans for students.
#16. “Trapped”
Episode Premiere Date – April 17, 2020
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.
#17. “Thawing Hearts”
Episode Premiere Date – April 24, 2020
Harley and crew try to infiltrate Mr. Freeze’s lair only to become human lab rats for his experiments to find a cure for his cryogenically frozen wife, Nora.
#18. “Batman’s Back, Man”
Episode Premiere Date – May 1, 2020
Bruce Wayne awakens from his coma to find Gotham in shambles. Meanwhile, Two-Face attempts to forge a criminal alliance with Bane, to be the only two Big Bads left in Gotham.
#19. “All The Best Inmates Have Daddy Issues”
Episode Premiere Date – May 8, 2020
When Harley & Ivy spot a seemingly sane Joker, they debate whether people can change – revisiting a flashback about Harleen Quinzel’s first day at Arkham.
#20. “There’s No Place To Go But Down”
Episode Premiere Date – May 15, 2020
Acting as a judge, Two Face sentences Harley & Ivy to life in Bane’s prison. Meanwhile, Jim Gordon and Batgirl vow to take back the GCPD from Two Face.
#21. “Inner (Para) Demons
Episode Premiere Date – May 22, 2020
While Harley & Ivy deal with their post-kiss awkwardness, the President tells Gordon that he must get rid of Harley to put Gotham back on the map.
#22. “Bachelorette”
Episode Premiere Date – May 29, 2020
It’s Bachelor/Bachelorette weekend for Ivy and Kite Man.
#23 “Dye Hard”
Episode Premiere Date – June 5, 2020
Alone on Christmas Eve, Harley reconnects with a now-sane Joker and heads to Wayne Tower, where their dinner is interrupted by an escaped Riddler and ParaDemons.
#24. “A Fight Worth Fighting For”
Episode Premiere Date – June 12, 2020
In order to defeat Psycho’s army, Harley & Joker need to track down Fables’ storybook with the Justice League inside.
#25. “Lovers’ Quarrel”
Episode Premiere Date – June 19, 2020
Darkseid agrees to give Psycho the world if he brings him the head of Harley Quinn, so Psycho controls Ivy to set her against Harley.
#26.
“Something Borrowed, Something Green”
Episode Premiere Date – June 26, 2020 (Season Finale)
As Ivy and Kite Man make final preparations, their special day is threatened to be derailed by an overzealous and scorned Commissioner Gordon who can’t resist the opportunity to crash a party attended by all of Gotham’s biggest villains.
Season Three
General description
The mayhem and madness continue in season three of this biting and uproarious adult animated comedy series. Wrapping up their “Eat. Bang! Kill. Tour,” Harley Quinn and Poison Ivy return to Gotham as the new power couple of DC villainy. Along with their ragtag crew – King Shark, Clayface, Frank the Plant – “Harlivy” strives to become the best version of themselves while also working towards Ivy’s long desired plan of transforming Gotham into an Eden paradise.
#26. “HarlIvy”
Episode Premiere Date – July 28, 2022
After fleeing the wedding, Harley and Ivy go on an “Eat Bang Kill” tour that leads them to a secret project Ivy abandoned years ago.
#27. “There’s No Ivy in Team”
Episode Premiere Date – July 28, 2022
After fleeing the wedding, Harley and Ivy go on an “Eat Bang Kill” tour that leads them to a secret project Ivy abandoned years ago.
#29. “The 83rd Annual Villy Awards”
Episode Premiere Date – July 28, 2022
After receiving a “Best Couple” nomination at the 83rd Annual Villy Awards, Ivy finds herself seated next to her ex’s new girlfriend while Harley goes overboard to ensure their win.
#30. “A Thief, A Mole, An Orgy”
Episode Premiere Date – August 4, 2022
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.
#31. “It’s a Swamp Thing”
Episode Premiere Date – August 11, 2022
Harley, Ivy, and Nora travel to New Orleans in search of Swamp Thing, who just might be able to help them find Frank.
#32. “Joker: The Killing Vote”
Episode Premiere Date – August 18, 2022
When The Joker runs for Mayor of Gotham, Two Face attempts to sabotage his campaign.
#33. “Another Sharkley Adventure”
Episode Premiere Date – August 25, 2022
Harley infiltrates a gala on a mission to confront Frank’s captor… only to be entangled in another evil plot.
#34. “Batman Begins Forever”
Episode Premiere Date – September 1, 2022
After Harley receives access to Bruce Wayne’s mind, she gets stuck in an endless loop of his most formative memory.
#35 “Climax at Jazzapajizza”
Episode Premiere Date – September 8, 2022
When an inadvertent plant zombie apocalypse breaks out in Gotham, Harley fights to save the city, while Ivy embraces her inner supervillain.
#36 “The Horse And The Sparrow”
Episode Premiere Date – September 15, 2022 (Season Finale)
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.
#37-38 “A Very Problematic Valentine’s Day Special”
Episode Premiere Date – February 9, 2023 (Special Event Airing)
As Harley goes to obsessive lengths to ensure that her first Valentine’s Day with Ivy is the best ever, Bane’s efforts to impress an unexpected date go horribly awry. Meanwhile, after an unfortunate online dating encounter, Clayface engages in some self-love.
Season Four
General description
Set in the ever-chaotic Gotham, Harley finds herself collaborating with the Bat family, while Ivy lands a job with Lex Luthor.
#39. “Gotham’s Hottest Hotties”
Episode Premiere Date – July 27, 2023
Harley and Ivy struggle to find their footing in their new respective roles in the Bat Family and the Legion of Doom.
#40. “B.I.T.C.H.”
Episode Premiere Date – July 27, 2023
After breaking the Bat Family’s #1 rule, a demoted Harley shadows Alfred, while Ivy finds an unexpected mentor at a networking event.
#41. “Icons Only”
Episode Premiere Date – July 27, 2023
In Vegas for some much-needed QT, Harley struggles at the Strip’s evilest hotel while a desperate lvy tries to secure tickets to Clayface’s show.
#42. “The First Person to Come Back From a Business Conference Without Chlamydia”
Episode Premiere Date – August 3, 2023
Lex Luthor keeps Ivy on a short leash at a conference on the moon, while the Bat Family rents out Wayne Manor after Talia slashes company finances.
#43. “Getting Ice Dick, Don’t Wait Up”
Episode Premiere Date – August 10, 2023
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.
#44. “Metamorphosis”
Episode Premiere Date – August 17, 2023
Harley investigates the sudden death of a hero, while Ivy tries to take down the Jons and Joker announces a career change.
#45. “The Most Culturally Impactful Film Franchise of All Time”
Episode Premiere Date – August 24, 2023
Harley and Ivy use the time sphere and visit the their future and learn of a pending apocalypse.
#46. “Il Buffone”
Episode Premiere Date – August 31, 2023
Bane seeks the solutions to his problems in Italy. Nora defends the LOD from Lex’s assault – on a long weekend, no less.
#47. “Potato-Based Cloning Incident”
Episode Premiere Date – September 7, 2023
Ivy competes in a celebrity golf tournament. Harley learns a dark truth about herself … from herself.
#48. “Killer’s Block”
Episode Premiere Date – September 14, 2023 (Season Finale)
Ivy crashes a birthday party on the moon. Harley contemplates how to best avenge her friend.
