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She spends time trying to connect with Wonder Woman, but has trouble due to their differences. Eventually, Wondy invites her to hang out, and Harley hugs her happily.
She sees Wonder Woman upset over her supersuit assignment. After her suggestion of using the one she already has gets turned down, Harley, Bumblebee, and Katana watch Wonder Woman's various attempts at costumes before they all pitch in to help.
Harley Quinn hosts a movie night that shows various clips of student blunders around campus. While hoping to get laughter from self-humiliation, she instead gets annoyed girls. Upon realizing she accidentally had auto-upload turned on and over four million people viewed it, the girls begin to talk angrily at her before Wonder Woman starts laughing at how bad she looked. Everyone except Cheetah joins in laughing before Wondy tells Harley to play it again.
She compliments Wonder Woman's supersuit and runs out of the school during the Save the Day alarm.
She says that Bumblebee is "funny as honey".
Harley uses her giant whoopee cushion to rescue a falling Lucius Fox
Harley Quinn appears at Wonder Woman's first Super villain beat-down
Harley comments on Supergirl's knack for making a dramatic entrance.
Harley eats the last piece of Super Food Cake.
Harley becomes an internet sensation, and even gains a large Comic-Con like convention, eventually realizing there can only be one Harley.
Harley is awarded the Hero of the Month Award by Amanda Waller.
Harley talks about Batgirl's expertise with gadgets and gizmo's.
Harley accidently bumps into Star Sapphire, just after Starr had had a shower, with Harley accidently dropping all her pies on Starr.
Harley helps Bumblebee, to demonstrate her new gadgets, for her midterm assignment, while fighting King Shark in the docks.
Harley helps to battle Giganta, and welcome Supergirl to Super Hero High, she later helps in the battle against Granny Goodness and the Female Furies.
- ↑ "Welcome to Super Hero High"
- ↑ "All About Super Hero High"
- ↑ "Roomies"
- ↑ "Crazy Quiltin'"
- ↑ "Fall Into Super Hero High"
- ↑ "Hero of the Month: Poison Ivy"
- ↑ "Designing Disaster"
- ↑ "Clubbing"
- ↑ "Hero of the Month: Bumblebee"
- ↑ "Saving the Day"
- ↑ "New Beginnings"
- ↑ "Hero of the Month: Supergirl"
- ↑ "Batgirl vs. Supergirl"
- ↑ "Quinntessential Harley"
- ↑ "Hero of the Month: Harley Quinn"
- ↑ "Hero of the Month: Batgirl"
- ↑ "The Ring of Mire"
- ↑ "Ultimate Accessory"
- ↑ "Super Hero High"