City of Fishers official Trick-or-Treat hours are Thursday, October 31 from 5:30 to 8:30 p.m. Police cars will be patrolling the neighborhoods to ensure everyone’s safety, but remember to walk in groups and stay on the sidewalk when possible. If you want to get an early start on the festivities, join Fishers Parks for their annual Boo Bash celebration on Saturday, October 26 from 10 a.m. to 2 p.m. at the NPD AMP. Learn more at FishersParks.com/BooBash.