OK. Doesn't time fly. My vote - non of the above,1980s (81-87) not 1970s so didn't fit the criteria. At least some of the episodes had to be screened in the 70s but was ok if they also spanned the 60s and 80s as long as they were partly in the 70s. At least it was a cop series though not a PI series so I'll forgive you for mentioning it as long as you don't keep harping on like some posters I could mention.