Sapphire & Steel is a British television science-fiction series starring David McCallum as Steel and Joanna Lumley as Sapphire. Produced by ATV, it ran from 1979 to 1982 on the ITV network, and was primarily ATV's answer to the BBC's Doctor Who.
Since I hit the 500 show wall, and received the recommendation to move shows that I used to watch, but which are now gone into a list, I am creating said list.