Another cool old SF series was Battlestar Galactica
, as long as you ignore the second season (Galactica 1980
), in which the writers turned the story into "aliens among us" (on Earth
of all places).
The first season (with the byplay between Apollo & Starbuck, constant Cylon raids, and desperate rear-guard actions) was much cooler, almost as good as Star Wars at times.
I also liked the 80s TV series of Beauty & the Beast
, again only until the last season (when they killed off *SPOILER*