Carrie Bradshaw is quoted in Chapter 40. Avalon, Khatie, and Paragon II also compare themselves to characters from "Sex and the City."
During Geordie's high school prom, there's a song request from Monica to Chandler.
When Daniel wakes up in the hospital after getting hit with Mindfull's powers, the narration states that it feels like a battalion of cybermen is marching in his head — to which Zoe responds, "I'll get the doctor."
When confronted with the elite "Vowel" ninja squad working for Garmento, Zoe's first response is to tell one of them that he's "trying to sound like Will Arnett in the 'Lego Batman Movie'."
After she agrees to model for Tom, Laren informs Zoe that Tom paints nudes. Zoe is ecstatic that Tom is going to "paint me like one of his french girls."
The "Eternity Stone" that Geordie and Zoe use to transform into Valiant and Gilded Lily, respectively, is part of a set of Power Crystals that bad guy Excelsior is trying to collect so he can utilize their combined powers for his own purposes - much like the Infinity Stones of the Marvel Cinematic Universe.
Episode 76 also reveals that Mindful knew about Zoe's mother's position as a proctor of Garmento.
Mindful said Garmento used an "Alias" -- and that when Zoe found out, it would be a "Scandal"... two long-running series where the hero's mother is the brains behind a maze-like, secret organization. Mindful watches a lot of TV.
Comics
Dyna says some rather... interesting things about Venom's tongue.
Excelsior: One last thing... while I have you— there's something I've always wondered about... are you named after "Zoe" in Salinger's "Franny and Zooey"? I was an English Major and kind of a Salinger nerd... I'm one of those guys who tracked down a copy of the June 19, 1965 New Yorker to read "Hapsworth 16, 1924". I have to say, it's a little hard to get through.
Zoe: It's Zooey! "Franny and Zooey!"
Excelsior: I have a copy here, somewhere. I'm going to go check.
Episode 12 is called "Kiss Me, Khatie!", a reference to Kiss Me, Kate.
Quincy's fake lawyer skills in Episode 75 are attributed to his performance as Henry Drummond in a high school production of Inherit the Wind.