Overstock.com and Columbia Pictures partnered to promote the home entertainment release of ZATHURA Special Edition DVD. Fans had an opportunity to enter the "Out of This World Sweepstakes" by visiting Overstock.com and filling out a quick questionnaire. The grand prize was a trip to Kennedy Space Center Visitor Complex in Florida with a NASA Up-Close guided tour and lunch with an astronaut as well as the full collection of Chris Van Allsburg books. The sweepstakes began on February 9,2006 and ended March 15, 2006.