Jaguar

JAGUAR | Official Trailer | Netflix
Netflix

What we have is a small group of Nazi hunters operating in Madrid in 1962. In 1962, Franco the Fascist was still in charge, so a pretty hostile environment for Nazi hunters. It's kind of like Mission: Impossible, surveillance, masquerade, and somehow they intend to bring the dirty Nazis to justice.

Update September 25: Aribert Heim, aka Dr. Death, is their target in this series. They eventually get their hands on him, but what happens? I don't remember, but it doesn't much matter because in real life the filthy bugger escaped from Spain to Cairo where he died in 1992.

Netflix, 5 or 6 episodes, 45 minutes each, Spanish with English subtitles.