A lot of people have been going back to rewatch (or maybe watch for the first time) the 1990 TV movie adaptation of Stephen King’s “It” in anticipation of the forthcoming feature film remake. And why not? Dated as it is, there’s a lot to like but it’s almost solely renowned for one central performance: Tim Curry’s Pennywise. Something is terribly wrong in the town of Derry. When a little girl…