io9 have been posting different lists recently their top science fiction shows and movies. As always it’s a subjective kind of thing, but I think that movies shouldn’t be eligible for the ‘classic’ category until at least 5 years have passed and the dust has settled over all the hype about them. So in the following list that would rule out: Inception, District 9, Moon, and Children of Men.

See 25 classic science fiction movies that everybody must watch.

On the other hand, The top 20 essential science fiction TV shows, feels mostly right.