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Season guide

Harley Quinn: Season 4

10 episodes Premiered Jul 27, 2023 Updated Sep 26, 2026
Previously on Harley Quinn

Season 4 Lore Primer

Key plot threads, lore context, and character stakes you need to remember before diving into this season.

  • ⚡ Picks up essential narrative continuity directly following the events of Harley Quinn Season 3.
  • ⚡ Character alliances, factions, and personal loyalties undergo significant shifts under escalating stakes.
  • ⚡ Addresses unresolved cliffhangers and thematic mysteries introduced during previous seasons.
  • ⚡ Establishes the primary seasonal conflict that drives serialized character arcs toward the finale.
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Season 4 Episodes

Episode Guide

🛡️ SPOILER SHIELD

Season 4 Progress Shield

Future titles & synopses blurred. Tap "Reveal" on any card to peek.
Binge Efficiency Engine

Season 4: Filler vs. Essential Canon

Filter episodes by narrative weight. Focus on essential mytharc and skip standalone side quests.

30%
70%
Mytharc (3): Crucial lore & season climaxes
Core (7): Character development & subplots
Side Quest (0): Standalone / filler
S4·E1 Mytharc

Gotham's Hottest Hotties

Jul 27, 2023 · 24 min

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

S4·E2 Core

B.I.T.C.H.

Jul 27, 2023 · 23 min

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

S4·E3 Core

Icons Only

Jul 27, 2023 · 23 min

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.

S4·E5 Core

Getting Ice Dick, Don't Wait Up

Aug 10, 2023 · 23 min

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.

S4·E6 Core

Metamorphosis

Aug 17, 2023 · 23 min

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

S4·E8 Core

Il Buffone

Aug 31, 2023 · 23 min

While Lex lays siege to the LOD after coming up short with his Ozone Machine, Bane travels to Italy to fix a pasta-maker... and win Nora's affection.

S4·E9 Mytharc

Potato-Based Cloning Incident

Sep 7, 2023 · 23 min

In a bid to stop Lex, Ivy competes in a celebrity golf tournament. Meanwhile, Harley learns a dark truth about herself... from herself.

S4·E10 Mytharc

Killer's Block

Sep 14, 2023 · 23 min

Ivy crashes a birthday party on the moon. Harley contemplates how to best avenge her friend.

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