Boo Halloween Insomniac Events' two night Halloween event returns to the WaMu Theater on Friday, October 30th and Saturday, October 31st, 2026! Sign up here for early access to tickets, the lineup and other announc...

#BooHalloween returns to the #WaMuTheater in 2026! Discounted 2-day passes are available via presale until 11:59pm Friday PST: www.emeraldcityedm.com/boo-seattle-...

I loved seeing Rezz for the first time at Boo Halloween. #rezz #edm #boohalloween