According to a panel of experts it is.
www.google.co.uk/amp/s/amp.theguardian.com/tv-and-radio/2018/jan/09/blue-peter-named-best-childrens-tv-show-in-poll-of-experts
I always thought it was gentle, sentimental clap trap that your parents wanted you to watch to keep you a child forever.
Personally I think the top title should have gone to Maid Marian and her Merry Men or Thunderbirds.
What's your top tv show?