On Thursday, it switches over into a Halloween theme with interactive games, spellbinding lights and sounds, music, food trucks, and more. What has been dubbed “The Witching Hour” runs through Sunday, Nov. 2 before switching over to a wintry holiday theme. Starts at 5 p.m. on Thursday, Sept. 25; Michigan Theater, 603 E. Liberty St., Ann Arbor; stamps.umich.edu. Doors at 4 p.m., event starts at 6 p.m. on Saturday, Sept. 27; Michigan Stadium, 1201 South Main St., Ann Arbor; axs.com. Opens 10 a.m.-5 p.m. on Sunday, Sept. 28; Detroit Institute of Arts, 5200 Woodward Ave., Detroit; dia.org.