The opening logo mimics the old RKO logo; another nod to the retro style which inspired the style of "Quinn Redshift".
The word 'human' is never used; humans are solely known within the Quinnverse as "Earthlings", as a nod to the retro sci-fi/space opera style upon which inspired "Quinn Redshift".
Originally, Quinn and his companions simply found the space pirates in orbit around Mars and fought them, Reece's name was 'Laron' and also the commander of the pirates; the asteroid bar wasn't even mentioned.
This was re-written to give the script more depth.
Arch, Quinn's ship's computer, is not voiced by a human; it's actually a text-to-speech voice on Kate Fahr's phone.
With the exception of the opening and closing titles, all of the music in "Quinn Redshift" was created by AI.