2009 Dates October 2, 8, 9, 15, 16, 21, 22, 23, 28, 29, 30, 31 Mickey’s Trick-or-Treat Party takes place at Disney’s California Adventure. This not-so-scary Halloween party is a fun-filled evening for the whole family and includes trick-or-treating and other spook-tacular activities. The party requires a special event ticket, but regular park admission … Continue reading "Mickey’s Trick-or-Treat Party Disney’s California Adventure"