The coolest time was when he visited the crayon factory or when Koko the gorilla gave him a hug. He's also the reason why TV recorders are legal. Mr. Rogers is one of the most respectable people of the past half century. I hope he's still on TV 'till time is no more.
Who needs fat looking aliens who worship a baby-sun and eat barf from a vacuum cleaner?
Mr. Rogers and Sesame Street and old-school PBS kid's shows are still the gold standard of learning shows for children.