TV Harley Quinn - Season 5 Episode 4 : Breaking Brainiac Harley Quinn - Season 5 Episode 4 : Breaking Brainiac 8.299/10 by 1142 users Brainiac has one last task to finish before he can be promoted within the Coluian government -- but unforeseen variables change his life forever. Details Casts Posters Images Title Harley Quinn - Season 5 Episode 4 : Breaking Brainiac Alternative Titles 小丑女, Harley Quinn: A Very Problematic Valentine's Day Special First Air Date 2019-11-29 Last Air Date 2025-03-20 Number of Episodes 57 Number of Seasons 5 Genres Action & Adventure, Animation, Comedy, Sci-Fi & Fantasy, Networks DC Universe, HBO Max, Max, Casts Kaley Cuoco, Lake Bell Plot Keywords , Harley Quinn (voice) Kaley Cuoco Poison Ivy (voice) Lake Bell Episodes List Harley Quinn Season 5 :Episode 1 The Big Apricot The Big Apricot 2025-01-16 Harley Quinn has finally broken things off once and for all with the Joker. Now, she's trying to make it on her own as the criminal Queenpin of... Harley Quinn Season 5 :Episode 2 Back to School Back to School 2025-01-23 Harley Quinn has finally broken things off once and for all with the Joker. Now, she's trying to make it on her own as the criminal Queenpin of... Harley Quinn Season 5 :Episode 3 Floronic Man Floronic Man 2025-01-30 Harley Quinn has finally broken things off once and for all with the Joker. Now, she's trying to make it on her own as the criminal Queenpin of... Harley Quinn Season 5 :Episode 4 Breaking Brainiac Breaking Brainiac 2025-02-06 Harley Quinn has finally broken things off once and for all with the Joker. Now, she's trying to make it on her own as the criminal Queenpin of... Harley Quinn Season 5 :Episode 5 Big Pasta Dinner Big Pasta Dinner 2025-02-13 Harley Quinn has finally broken things off once and for all with the Joker. Now, she's trying to make it on her own as the criminal Queenpin of... Harley Quinn Season 5 :Episode 6 Bottle My Heart Bottle My Heart 2025-02-20 Harley Quinn has finally broken things off once and for all with the Joker. Now, she's trying to make it on her own as the criminal Queenpin of... Harley Quinn Season 5 :Episode 7 Frankette Frankette 2025-02-27 Harley Quinn has finally broken things off once and for all with the Joker. Now, she's trying to make it on her own as the criminal Queenpin of... Harley Quinn Season 5 :Episode 8 Family Feud Family Feud 2025-03-06 Harley Quinn has finally broken things off once and for all with the Joker. Now, she's trying to make it on her own as the criminal Queenpin of... Harley Quinn Season 5 :Episode 9 Bottle Episode (But Not a 'Bottle Episode') Bottle Episode (But Not a 'Bottle Episode') 2025-03-13 Harley Quinn has finally broken things off once and for all with the Joker. Now, she's trying to make it on her own as the criminal Queenpin of... Harley Quinn Season 5 :Episode 10 The Mess Is the Point The Mess Is the Point 2025-03-20 Harley Quinn has finally broken things off once and for all with the Joker. Now, she's trying to make it on her own as the criminal Queenpin of...