Firefly is over twenty years old at this point, it's no longer a contemporary sci-fi show, and its status as a cult classic is really played out at this point,

Firefly is over twenty years old at this point, it's no longer a contemporary sci-fi show, and its status as a cult classic is really played out at this point, let it go. That said, it is funny how the much more recent and relevant The Expanse did have horror/zombie elements.