During the month of October you can enjoy extended Halloween Hours at the Disneyland Resort. This week you can head over to the park as early as 8am on Fridays, Saturdays and Sundays. You can also head over as early as 9am Monday thru Thursday and stay until 9pm on these days. There will be nightly firework shows.
Hours at California Adventure will be limited due to Mickey's Trick or Treat.