All Events, Closures and Refurbishments at Disneyland during April and December of 2016, 2018 and 2021

April 2016

January 2015 - N/AHollywood Land : Disney California AdventureMuppet*Vision 3D closed indefinitely. The theater has been renamed the Sunset Showcase. From July 1- August 14 the theater will host a preview of Pete's Dragon.
Nov. 16 - TBATomorrowland : Disneyland ParkSeason of the Force Star Wars overlay, featuring Star Wars Launch Bay, Hyperspace Mountain, Path of the Jedi, and Star Wars-inspired foods at The Galactic Grill.
Early 2016 - PERMANENT CLOSUREDowntown Disney : Downtown DisneyHouse of Blues Relocating The House of Blues has announced plans to relocate in 2016. Citing a need for expansion, the House of Blues will be moving to GardenWalk Mall of Anaheim. The Downtown Disney location closes on May 31, 2016.
Early 2016 - May 6Adventureland : Disneyland ParkJungle Cruise Reopens May 6 after an extensive refurbishment.
Jan. 04 - May. 01a bug's land : Disney California AdventureIt's Tough to Be a Bug Closed for installation of Jungle Book preview. Preview opens March 18, and will run for an unspecified period of time. The movie opens in theaters on April 15.
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.
Jan. 10 - PERMANENT CLOSUREHollywood Land : Disney California AdventureAladdin "Disney's Aladdin -- A Musical Spectacular" closed on January 10, 2016, after nearly 14,000 shows since its debut in January 2003. The story of "Frozen" will take Aladdin's place in an all-new theatrical production opening May 27,2016 at the Hyperion Theater.
Jan. 11 - May. 06Adventureland : Disneyland ParkJungle Cruise Removal of holiday overlay and refurbishment.
Jan. 11 - Apr. 29Tomorrowland : Disneyland ParkAutopia Refurbishment.
Mar. 18 - Apr. 15a bug's land : Disney California AdventureJungle Book Sneak Peek The Bugs Land theater is showing a sneak peek of The Jungle Book, which opens on April 15.
Mar. 31 - PERMANENT CLOSUREHollywood Land : Disney California AdventureMad T Party Closed March 30, 2016.
Apr. 01 - May. 04Disney California Adventure : Disneyland ResortPixar Play Parade On hiatus during the Disney California Adventure Food and Wine Festival as the Festival Marketplaces block part of the parade route. Returns May 5, 2016.
April 1 - May 1Disney California Adventure : Disneyland ResortDisney California Adventure Food and Wine Festival Features culinary demonstrations, seminars, and new Festival Marketplaces. Festival Marketplaces are open daily; other events are Fridays-Sundays only.
Apr. 03 - PERMANENT CLOSURETomorrowland : Disneyland ParkAvengers Super Hero HQ Final Day is April 2. The character Meet-and-Greet, featuring Captain America and Spider-Man, will move to Disney California Adventure starting on April 3.
Apr. 11 - Apr. 14Frontierland : Disneyland ParkBig Thunder Mountain Railroad Refurbishment
Apr. 11 - Jun. 09Pixar Pier : Disney California AdventureSilly Symphony Swings Refurbishment
Apr. 11 - May. 19Tomorrowland : Disneyland ParkDisneyland Monorail Closed.
Apr. 15Disney California Adventure : Disneyland ResortRidley Pearson Book Signing Author Ridley Pearson will celebrate the release of his newest book, Kingdom Keepers: The Return, Book 2: Legacy of Secrets on April 15 at Off the Page from 1 to 3 p.m.
Apr. 16Main Street, U.S.A. : Disneyland ParkRidley Pearson Book Signing at Disneyana, Main Street, U.S.A. at Disneyland park from 9 to 11 a.m.
Apr. 16Downtown Disney : Downtown DisneyRidley Pearson Book Signing at the World of Disney Store from 2 to 4 p.m.
Apr. 18 - May. 06Fantasyland : Disneyland ParkMatterhorn Bobsleds Refurbishment
Apr. 18 - PERMANENT CLOSUREHollywood Land : Disney California AdventureFor the First Time in Forever - A Frozen Sing Along Celebration Closes April 17. The new "Frozen - Live at the Hyperion" musical starts May 27.
Apr. 18 - May. 17Grizzly Peak : Disney California AdventureGrizzly River Run Refurbishment

December 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. 11 - Sep. 15Paradise Pier Hotel : HotelsParadise Pool and Spa Closed for refurbishment
http://land.allears.net/blogs/dnews/2016/09/new_merriment_coming_to_the_di.html - Jan. 08Resort Wide : Disneyland ResortHolidays at the Disneyland Resort Festive decorations resort-wide, including Christmas trees and gingerbread houses. Holiday parade and fireworks show in Disneyland, and the new World of Color - Winter Dreams and Festival of Holidays celebration in Disney California Adventure. Holiday themed versions of Jungle Cruise, Haunted Mansion, and "it's a small world". Special treats and menu items in both theme parks. Meet and Greet opportunities with holiday costumed characters and Santa Claus. Ice skating rink in Downtown Disney.
Nov. 10 - Jan. 08Disney California Adventure : Disneyland ResortFestival of Holidays Celebrate holidays around the world from November 10, 2017-January 7, 2018. Daily activities around Disney California Adventure include festival themed food and beverage booths, performances by guest musical groups, and the returning Viva Navidad! celebration.
Nov. 10 - Jan. 08Pixar Pier : Disney California AdventureWorld of Color - Season of Light This new World of Color show celebrates the season with holiday music and memorable moments from Disney animated movies.
Nov. 11 - Jan. 01Disneyland Park : Disneyland ResortPaint the Night Parade The Paint the Night Parade will return to Disneyland on select nights during the holiday season. Performance dates are currently on the Disneyland calendar are November 18-27, December 2-4, December 9-11. It's expected that the parade will run daily from December 16-January 1.
Dec. 03 - Dec. 04Main Street, U.S.A. : Disneyland ParkCandlelight Processional The Christmas story told in music and readings from the Bible. Featuring a mass choir, full orchestra, and guest narrator, performed from the Main Street Train Station. Performance times and narrators are TBD.

April 2018

Aug. 2015 - May. 31Disneyland Park : Disneyland ResortStar Wars: Galaxy's Edge The 14-acre Star Wars-themed land that was announced during the 2015 D23 EXPO opens at Disneyland on May 31.
Jan. 02 - Apr. 13Critter Country : Disneyland ParkSplash Mountain Closed for refurbishment
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventurePixar Pier Pixar Pier will transform the current Paradise Pier area into four new neighborhoods inspired by Pixar stories. The first new neighborhood will be based on "The Incredibles." Additional neighborhoods inspired by "Toy Story" and "Inside Out" will open at a later date.
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureCalifornia Screamin' As part of the new Pixar Pier area, the California Screamin' attraction will be permanently transformed into the Incredicoaster, with new character moments, scenes, and a new musical score.
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureMickey's Fun Wheel The Fun Wheel will be renamed the Pixar Pal-a-Round. It will be re-themed with a new look and each of the 24 gondolas will showcase a different Pixar character.
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureGames of the Boardwalk New midway games will feature Pixar characters and are expected to include those from "A Bug's Life", "La Luna", and "WALL-E."
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureAriel's Grotto Closed for transformation to the Pixar-themed Lamplight Lounge, opening on June 23.
Jan. 08 - Jun. 22Pixar Pier : Disney California AdventureCove Bar Closed for transformation to the Pixar-themed Lamplight Lounge, opening on June 23. The Cove Bar will re-open briefly from March 16 through May 28.
Jan. 08 - Apr. 26Fantasyland : Disneyland ParkDumbo the Flying Elephant Closed for refurbishment, including queue relocation and construction of a shade structure
Early 2018 - Fall 2018Downtown Disney : Downtown DisneyWorld of Disney During the lengthy re-imagining project, half of the store is closed while the other half remains open to guests. The initial remodeling phase of the western half of the store is complete and it has re-opened. The eastern half is now closed.
Mar. 02 - Opening April, 2019.Pixar Pier : Disney California AdventureKing Triton's Carousel Closed for re-theming to Jessie's Critter Carousel as part of the Pixar Pier transformation. Jessie's Critter Carousel is cheduled to open in April, 2019.
Mar. 02 - Apr. 12Disney California Adventure : Disneyland ResortDisney California Adventure Food and Wine Festival The Festival expands to a six-week run this year, from March 2-April 12, 2018. The Disney Family of Wines Dinner will be a new Signature Event.
Mar. 16 - Apr. 01Resort Wide : Disneyland ResortEggstravaganza Guests can hunt for character-themed Easter eggs that are placed all around the resort - Downtown Disney, Disneyland, and Disney California Adventure. There are 12 in each area. There is no charge to participate, but guests can purchase a map for $5.95 (there are separate maps for each area), which comes with stickers to use for each egg found. Whether or not it is complete, the map can be redeemed for a special prize.
Mar. 19 - Opening 2020a bug's land : Disney California AdventureIt's Tough to be a Bug Closed March 19, 2018, to be replaced by the new Marvel Super Heroes area, opening in 2020.
Mar. 20 - Opening 2020a bug's land : Disney California AdventureMarvel Super Heroes-Themed Land The Guardians of the Galaxy will be joined by Spider-Man and the Avengers in what will become a completely immersive Super Hero universe. This new land, opening in 2020, will be anchored by the Guardians of the Galaxy - Mission: BREAKOUT!, in the adjacent space that is currently occupied by "a bug's land." "It's Tough to Be a Bug" closed March 19; the rest of the land will close September 5.
Apr. 13 - Late 2018.Pixar Pier : Disney California AdventureWorld of Color Closed for refurbishment.
Apr. 13 - Sep. 03Resort Wide : Disneyland ResortPixar Fest Pixar Fest begins on April 13, 2018. During this limited time event, the Paint the Night parade will return to Disney California Adventure, while the Pixar Play Parade moves to Disneyland, where it will lead off with a new Luxo, Jr. float. Also at Disneyland will be the new "Together Forever - A Pixar Nighttime Spectacular" fireworks show.
Apr. 13 - Feb. 21Pixar Pier : Disney California AdventureWorld of Color Closed since 2018 due to undisclosed problems.
Apr. 16 - Apr. 19Fantasyland : Disneyland ParkMatterhorn Bobsleds Closed for refurbishment
Apr. 23 - Jun. 07New Orleans Square : Disneyland ParkPirates of the Caribbean Closed for refurbishment, including modifications to the auction scene replacing the sale of "brides" with valuables, with the "Red Head" as the auctioneer.

December 2018

Aug. 2015 - May. 31Disneyland Park : Disneyland ResortStar Wars: Galaxy's Edge The 14-acre Star Wars-themed land that was announced during the 2015 D23 EXPO opens at Disneyland on May 31.
Mar. 02 - Opening April, 2019.Pixar Pier : Disney California AdventureKing Triton's Carousel Closed for re-theming to Jessie's Critter Carousel as part of the Pixar Pier transformation. Jessie's Critter Carousel is cheduled to open in April, 2019.
Mar. 19 - Opening 2020a bug's land : Disney California AdventureIt's Tough to be a Bug Closed March 19, 2018, to be replaced by the new Marvel Super Heroes area, opening in 2020.
Mar. 20 - Opening 2020a bug's land : Disney California AdventureMarvel Super Heroes-Themed Land The Guardians of the Galaxy will be joined by Spider-Man and the Avengers in what will become a completely immersive Super Hero universe. This new land, opening in 2020, will be anchored by the Guardians of the Galaxy - Mission: BREAKOUT!, in the adjacent space that is currently occupied by "a bug's land." "It's Tough to Be a Bug" closed March 19; the rest of the land will close September 5.
Apr. 13 - Feb. 21Pixar Pier : Disney California AdventureWorld of Color Closed since 2018 due to undisclosed problems.
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
Sep. 04 - January, 2019Disneyland Hotel : HotelsTangaroa Terrace Closed for refurbishment and upgrades. Select menu offerings will be available at Trader Sam's Enchanted Tiki Bar and The Coffee House during this time.
Sep. 05 - Permanent Closurea bug's land : Disney California AdventureBug's Land Closure "A bug's land", including Flik's Fun Fair, will be closing permanently starting September 5. The area will be re-imagined as Marvel Super Heroes land, opening in 2020.
Nov. 09 - Jan. 06Resort Wide : Disneyland ResortHolidays at Disneyland The holiday season at the Disneyland Resort will be celebrated from November 9, 2018 through January 6, 2019.

April 2021

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
2019 - Early 2023Disneyland Park : Disneyland ResortMickey & Minnie's Runaway Railway (DLR) The first major Mickey-themed ride-through attraction, is coming to Disneyland’s Mickey’s Toontown in Early 2023 as part of the reimagination of Mickey’s Toontown. The ride will be housed in the El CapiTOON Theater, where Mickey and Minnie are premiering their newest short, Perfect Picnic.
March 14th, 2020 - July 25th, 2022Disneyland Park : Disneyland ResortFinding Nemo Submarine Voyage Finding Nemo Submarine Voyage closed for refurbishment on March 14th, 2020. It will reopen on July 25th, 2022.
Mar. 18 - April 5Disney California Adventure : Disneyland ResortA Touch of Disney Disneyland's "A Touch of Disney" event is a separately ticketed event in Disney California Adventure running Thursdays through Mondays from 12PM-8PM.

December 2021

2019 - Early 2023Disneyland Park : Disneyland ResortMickey & Minnie's Runaway Railway (DLR) The first major Mickey-themed ride-through attraction, is coming to Disneyland’s Mickey’s Toontown in Early 2023 as part of the reimagination of Mickey’s Toontown. The ride will be housed in the El CapiTOON Theater, where Mickey and Minnie are premiering their newest short, Perfect Picnic.
March 14th, 2020 - July 25th, 2022Disneyland Park : Disneyland ResortFinding Nemo Submarine Voyage Finding Nemo Submarine Voyage closed for refurbishment on March 14th, 2020. It will reopen on July 25th, 2022.
Oct. 4, 2021 - Nov. 10th, 2023Disneyland Park : Disneyland ResortTarzan's Treehouse Tarzan's Treehouse will close for refurbishment beginning October 4th, 2021. Disney has revealed that the attraction is being rethemed to an adapted version of the original Swiss Family Treehouse concept that Walt and his Imagineers envisioned in 1962.
Nov. 11 - Dec. 9Disneyland Park : Disneyland Resort2021 Disney Merriest Nites
Nov. 11 - Dec. 4Disneyland Park : Disneyland Resort"it's a small world" Holiday "it's a small world" Holiday is reportedly closed due to flooding. It is expected to reopen December 4th, 2021.
Nov. 14, 2021 - Jan. 9, 2022Disney California Adventure : Disneyland Resort2021 Disney Festival of Holidays at Disney California Adventure