Classic Halloween Film ‘Trick ‘R Treat’ Playing on Casper Big Screen for 3 Nights OnlyClassic Halloween Film ‘Trick ‘R Treat’ Playing on Casper Big Screen for 3 Nights OnlyTrick 'R Treat is a perennial Halloween classic and now, for the first time ever, it's playing on the big screen in Casper. Nick PerkinsNick Perkins