The short film “Thriller 3D in IMAX” will be shown in all 400+ IMAX theaters in the United States. “Thriller 3D in IMAX” will also be shown in select theaters in Canada and the United Kingdom starting on September 21. For those of you in the US, UK, or Canada, you can head to http://imax.com/thriller3D to find a theater near you and buy tickets. “Thriller 3D in IMAX” will also be shown in select markets in the Middle East and Latin America before The House with a Clock in its Walls, so the dates of the showings are dependent on when that film opens in those countries.