The Man from UNCLE was the best TV show of it's time.
I would vote Gunsmoke for that award.
I never realized the Man from UNCLE had much of a following.
It doesn't really. It was quite successful during its original run looking at the numbers, but the word on the street is the popularity of Batman hastened its downfall (I kind of question that, because the timing isn't exactly right, but that's what people say). My sister and I got turned onto it by Guy Ritchie's remake in 2015, which was planned to be a several movie franchise, but it didn't do well enough for Warner Bros. to greenlight a sequel. We loved it like crazy and were really disappointed they weren't making more, so since we love 60's TV, we decided to just buy the entire original series. We found someone on eBay selling the limited edition collector's box set for a decent price because it was no longer sealed, so that is how we have access to it.