IT: Welcome to Derry

S01E01 The Pilot

Four months after their classmate vanished without a trace, Teddy, Phil, Lilly, and Ronnie make a pact to uncover the mystery behind the numerous disappearances in Derry and the eerie occurrences they've each been facing. At the same time, Major Leroy Hanlon makes his way to Derry Air Force Base, where he encounters a frosty welcome from several of his comrades.