I also really enjoyed Sliders... at least until they started the whole "Cro-Mag" subplots that seemed to permeate every episode. It was kind of like when the X-Files started the whole "cigarette smoking man" conspiracy thread. Give me a good, old fashioned escapist sci-fi show and I'm happy. Don't, though, try to make it more than that so that I have to keep up with all the twists the subplots take from one episode to another.