Many guests have complained of rudeness and improper supervision. These can be very good times to go; crowds are low and prices are too, but keep in mind that you may find that several rides are shut down for maintenance, and the parks have shorter operating hours. Be aware, however, during the periods of mid-December to February, mid-June to July, during the first 2-3 weeks of October, and on Thanksgiving Day (in some cases), tour groups from South American countries, mainly from Brazil and Argentina, will invade Walt Disney World and other Orlando theme parks.