Agree with Life On Earth - for the time, it's sheer scale and scope put it beyond anything else (nature programme-wise).Simon F said:I'd also like to put a vote in for "Blue Planet" or perhaps the older "Life on Earth".
I'd like to add The Sky At Night (longest running TV programme in the UK); Fawlty Towers; Boys From The Blackstuff; Dad's Army; Dr Who. However, my ultimate TV series has got to be The World At War - it should be required viewing for every school child on this planet.