Fright Fest has returned to Six Flags Fiesta Texas on select dates now through November 2. This year's Halloween event features four new haunted houses, which includes SAW: Legacy of Terror, Hexenhaus, Cinema Slasher and Nosferatu. Fan-favorite entertainment also returns with Monster Mash Bash, The Arrival and Frightful Finale fireworks. Interactive lanterns make their debut, which allow users to activate various effects throughout the park.