Arising out of science fiction fandom they , to some extent , have served as a template for other organized fandoms in the science fiction television and film genres .
Trekkies are fans focused on the Star Trek science fiction franchise .
Arising out of science fiction fandom Trekkies , to some extent , have served as a template for other organized fandoms in the science fiction television and film genres .
Trekkies are fans focused on the Star Trek science fiction franchise .