All Events, Closures and Refurbishments at Disneyland during October of 2016 and 2020

October 2016

Jan. 10 - Jul. 29Frontierland : Disneyland ParkRivers of America Attractions Disneyland Railroad and most Rivers of America attractions (including Fantasmic!) are closed temporarily to make room for the construction of the new Star Wars land. Pirate's Lair on Tom Sawyer Island has re-opened. Fantasmic! opens on July 17. Davy Crockett Explorer Canoes, Mark Twain Riverboat, Sailing Ship Columbia and Disneyland Railroad reopen on July 29.
Sep. 06 - Oct. 02Disney California Adventure : Disneyland ResortAP Days at Disney California Adventure AP Days will take place at Disney California Adventure from September 6-October 2. Special events for Annual Passholders include Disney character appearances, a series of AP buttons and recipe cards (a new one each Monday while supplies last), color/crafting opportunities for kids, and special merchandise.
Sep. 09 - Oct. 31Resort Wide : Disneyland ResortHalloween Time Special decorations, food items, and character costumes in both theme parks. The Haunted Mansion gets its seasonal makeover to Haunted Mansion Holiday.
Sep. 11 - Sep. 15Paradise Pier Hotel : HotelsParadise Pool and Spa Closed for refurbishment
Sep. 23 - Oct. 31Disneyland Park : Disneyland ResortMickey's Halloween Party Takes place at Disneyland Park on 17 selected nights on September and October, starting on September 23 with the final party on October 31. This not-so-scary Halloween party is a fun-filled evening for the whole family. In addition to trick-or-treating around the park, costumed character greetings, and Mickey's Halloween Party Character Cavalcade, the event also provides exclusive viewing of the Halloween Screams fireworks show. New this year: the Headless Horseman rides on Main Street prior to the Character Cavalcade.
Sep. 30 - Oct. 30Disneyland Hotel : HotelsTrick or Tea From September 30-October 30, the afternoon tea served at Steakhouse 55 on Fridays, Saturdays, and Sundays will have a Halloween theme. In addition to seasonal tea selections, food items will include a maple pecan scone and strawberries decorated to resemble a jack-o-lantern and Jack Skellington's jacket.
Oct. 03 - Nov. 03Critter Country : Disneyland ParkCritter Country Refurbishment All Critter Country attractions and locations, including Splash Mountain, Winnie the Pooh and Friends, Hungry Bear Restaurant, Pooh Corner, and The Briar Patch, are closed for refurbishment.
Oct. 07 - Nov. 06Hollywood Land : Disney California AdventureDr. Strange Sneak Peek Sneak peak, complete with special effects, in the Sunset Showcase Theater. The movie opens on November 4, 2016.
Oct. 10 - Oct. 13a bug's land : Disney California AdventureIt's Tough to Be a Bug Closed for installation of "Moana" sneak peed.
Oct. 14 - Nov. 27a bug's land : Disney California AdventureMoana Sneak Peek A 3-D preview of the upcoming movie "Moana" is held in the "It's Tough to Be a Bug" theater. The movie opens on November 23, 2016.
Oct. 24 - Nov. 09Fantasyland : Disneyland Park"it's a small world" Closed for installation of holiday overlay

October 2020

May. 30 - No details availableDowntown Disney : Downtown DisneyDowntown Disney West End Closures The following Downtown Disney locations closed in preparation for the construction of a proposed new hotel which has since been canceled. No details on what might be going into the now available retail spaces.
 
AMC Theaters
ESPN Zone
Rainforest Cafe