"Lost," "Friday Night Lights" and "Battlestar Galactica" (the reimagined version) were all series I had the luck to watch when they actually premiered, and they had me from day one. I'd also argue the pilots for each are in the series top 10 overall, which you can't say about many shows. "Firefly" would be on this list had FOX showed the pilot first. Alas they did not (still do not care for "The Train Job"), I tuned out, and it took me until I'd watched the series in the proper order on DVD to love it.
More recently, "Hannibal." I think that show either alienates you entirely or hooks you right away, and I was in right away.
More recently, "Hannibal." I think that show either alienates you entirely or hooks you right away, and I was in right away.