By Karen Sharp Photo: Getty Images Disneyland is getting a heard start on Halloween this year! This fall, both Disneyland park and Disney California Adventure will celebrate the spooky season from Sept. 3 through Oct. 31, bringing back classic themed parties and events that were canceled in 2020 due to the park's having to close down. Disneyland's Halloween Festivities 2021 Haunted Mansion Holiday: the already spooky attraction gets an extra Halloween twist thanks to festive touches inspired by The Nightmare Before Christmas. Main Street Pumpkin Festival: visit the giant Mickey jack-o'-lantern as well as tons of hand-carved pumpkins. Halloween Screams: "Master of Scare-omonies" Jack Skellington and his dog Zero host this musical nighttime projection and special effects show that — on some nights — features fireworks.