Category Events - United States, Billings (MT) Join us for our second year! OCTOBER 5, 6, 7, 2018! Red Lion Hotel in Billings, Montana! Celebrity guests! Artists! Panels! Contests! Tattoos! Magic shows! Live music! Monster Masquerade Ball! It's a weekend to kick start your Montana Halloween season. Our first year was such a blast, we are coming back bigger and better!