<P> The first season , retroactively subtitled The Executioner , was produced in association with the Canadian network Super Channel , Slasher was the first original series by U.S. TV channel Chiller , which premiered the series on Friday , March 4 , 2016 , at 9 : 00 pm EST . Super Channel aired the show 's Canadian premiere on April 1 , 2016 . The series first season , which centered on a mysterious figure billed as `` The Executioner '' terrorizing the fictional town of Waterbury , Canada , was filmed between July and October 2015 in Sudbury , Parry Sound , and Sault Ste . Marie , Ontario . </P>
where was the first season of slasher filmed
Sudbury , Parry Sound Sault Ste . Marie , Ontario