To qualify, show must be identified as a TV series on IMDb.com, have received at least 1,000 votes & had an average score of 7.0/10 or greater. Each answers contains 5 TV series. More in comments.
NOTE: Because people tend to vote for new shows rather than old ones, there is a preponderance of very recent programs on the list. Many "classic" TV series just don't have enough votes to make the list.