First and foremost - of course: Stargate SG-1
Buffy the Vampire Slayer - Yes it is over now but those reruns are always good to see.
Angel - The new series looks to be pretty good with, James Marsters reprising his role as Spike in the first Buffy spin-off.
CSI: Crime Scene Investigation - The new series should be starting soon, though of course living in the UK I'm gonna have to wait longer for it. Though I'm loving what those spoilers have been saying so far.
Alias - Every episode of this show is worth watching! One of the best programmes out there and though Sky One seem to like putting it on at terrible times, I'm not going to be missing an episode.
Will & Grace - I love this comedy! I used to like Friends, well I still do, but this is now at the top of my comedy list.
Dead Like Me - I have to admit I wasn't sure about this show at first, sure it looked pretty good in the adverts but I was just annoyed at Sky One cause they decided to show this instead of Tru Calling. I may have missed the pilot but I haven't missed an episode since then.
Scare Tactics - What a great show! Its amazing how the victims never know they're being set-up, its a funny one - don't miss it.