It
"The Master of Horror unleashes everything you were ever afraid of."
Overview
In 1960, seven outcast kids known as "The Losers' Club" fight against an ancient shape-shifting alien who poses as a child-killing clown, while also dealing with bullies and abusive parents. Thirty years later, they reunite to stop the creature once and for all when it returns to their hometown.
It at a glance
It is a 1990 mystery and sci-fi & fantasy TV series from Jim Green, starring Tim Curry, Harry Anderson and Dennis Christopher. It has 1 season and 2 episodes. TMDB users rate it 6.9 out of 10 from 3,415 votes.
It isn't on a subscription service right now, but you can rent or buy it from the stores listed under Where to Watch. If you enjoy it, try Oh! My Goddess, Fatal Vision and The Jazz Age next.