Since 2005, JemCon has been hosted by fans for fans to celebrate the beloved Jem and the Holograms animated series and line of fashion dolls from Hasbro. It’s a truly outrageous, fun-filled weekend for all ages and fans fly in from all over the world each year to attend! To date, JemCon has been held in 13 different cities across three countries! JemCon 2018 is scheduled to be held this August in Cleveland, Ohio, the home of rock and roll. The official dates are August, 24th through August 26th at the Cleveland Double Tree by Hilton in Westlake just off the Crocker road exit on I 90.