The Doctor, The Coming Storm, The Lonely God, The Wanderer, The Last of the Time Lords.
i have watched many, many, SciFy shows over the years. stargate SG-1, Stargate Atlantis, Stargate Universe, Sanctuary, Firefly, Primeval, that knockoff of star trek that SYFY did a few years back called Star Trek Enterprise (the only star trek reference in the new movie i actually noticed came from that show) not to mention countless crappy Saturday morning kids shows from way back when i actually got up early on Saturdays for something other than fencing.
but out of all of those shows one show still stands tall as the unrivalled champion of science fiction in my mind and not just of science fiction but of television in general. i am sorry to admit it but the BBC has American television beet hands down in my book. and what you ask could possibly be better than these fan cult favorites?
well it is all in the title "Doctor Who" marching into battle against the hordes of the universe with nothing but his sonic screwdriver. whizzing through time and space in his TARDIS, better known as the blue box. i admit firefly is awesome but Doctor Who is Fantastic. =^) now stop reading and go check it out, believe me you wont regret it.