Six Flags Fiesta Texas today announced its biggest and most immersive Halloween season ever as Fright Fest returns on select dates Sept. 11 through Nov. 1 with more scares, more atmosphere and more ways to experience Halloween than ever before. As part of Six Flags Entertainment's largest Halloween celebration in company history, Six Flags Fiesta Texas will unleash an unmatched lineup headlined by an all-new The Conjuring Universe maze, a reimagined nightmare based on the iconic horror franchise, alongside the return of SAW®: Legacy of Terror.