Halloween Horror Nights 2017 will run a record-breaking 34 nights (three additional nights when compared to 2016’s then-record-setting 31 nights), from September 15 through November 4 on these select dates:

September: 15, 16, 17, 21, 22, 23, 24, 29, 30
October: 1, 4, 5, 6, 7, 8, 11, 12, 13, 14, 15, 18, 19, 20, 21, 22, 25, 26, 27, 28, 29, 30, 31
November: 3, 4