Both the text District 9 and “Once Upon a Time” focus around the fear of difference and the consequence of this fear on a marginalised group, however both texts demonstrate this idea in different ways; District 9 combines the conventions of the documentary and the science fiction genres whilst “Once Upon a Time” breaks the convention of the fairy-tale genre.
The consequences that the fear of differences have on a marginalised group is a major theme that both the texts District 9 and “Once Upon a Time” share. Throughout both texts, the non-marginalised group turns a blind eye to the discrimination and segregation faced by the marginalised group; the aliens within District 9 and the “…people of another color [sic]” within “Once Upon a Time”. Within District 9, the aliens are given the derogatory