Spirit Halloween - Halloween Stores nationwide - Shop online for girl Halloween costumes, for adults and children. Get great costume ideas. Spirit Halloween has been bringing the Halloween Spirit to communities for over 30 years. We started in San Francisco and have grown to over 1,100 stores across all 50 states plus Canada. Now for many throughout the nation, the arrival of Spirit Halloween back in town signals the start of the Halloween season. And for good reason… we are the #1 source for Halloween on the planet.