Sci-fi TV show concept: design three versions of far-future humanity: one is transhumanist, utopian, and pacifist, one is patriotic code-of-honour oorah spacemarines, and the third is scrappy whatever-works scavengers. Give'em all extremely distinct esthetics and mannerisms.
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Each episode is filmed from the POV of one of the species, "translated" for a human audience.
Orbfriends have lovely Harmony Carols.
Grunts craft elaborate trench art as gifts.
Scavs celebrate with shared food.
As a flip side to that, an anthology comic from the POVs of “planets the Enterprise visited” each depicting the crew as differently inhuman according to the native paradigm
It turns out they're a *fourth* human offshoot. But the still *look* human (albiet very Uncanny Valley) because they're extremely racist and their culture is pure traditionalism.