One word for the entire series - 'Nostalgic'. You know there are few movies and series, which take you back to the golden years and you have a tremendous impact on your mind for days, weeks, months. You keep thinking and fall in love with it. This is one of those.
The acting of the entire cast, from the kids to the adults, is impeccable. The plot is interesting and the direction is no-nonsense. I mean I have watched shows where the kids act dumb, adults are unaware and doesn't pay attention to their kids' words, being indifferent to the happenings around them etc. But not this. The kids are smart, brilliantly acted and composed.
I was a person who only watched movies alone and no series. But having watched ST, my faith has been brought back and now I can say that there are masterpieces still in this world.