All Events at Disney California Adventure, Disneyland Park or Resort Wide in Disneyland during May of 2016, 2018, 2021 and 2022

May 2016

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 - May 6Adventureland : Disneyland ParkJungle Cruise Reopens May 6 after an extensive refurbishment.
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.
May. 05 - May. 06Disney California Adventure : Disneyland ResortPixar Play Parade Returns to daily performance after its hiatus due to the Disney California Adventure Food and Wine Festival.
May. 06 - Jun. 12Hollywood Land : Disney California AdventureSneak Peak of Alice Through the Looking Glass Starting on May 6, the preview of "Alice Through the Looking Glass" will be presented in 3D with special in-theater effects at the Sunset Showcase Theater (formerly Muppets Theater).
May. 13 - Jun. 17Disney California Adventure : Disneyland ResortGrad Nites Grad Nites are a private event taking place at Disney California Adventure on select nights in May and June from 10:00 p.m. to 2:00 a.m. The dates for 2016 are: May 13, 14, 18, 20, 21, 23, 25, 31 June 1, 3, 4, 7, 8, 10, 11, 15, 17 DCA closes at 9:00 p.m. on all party evenings.
May. 27Hollywood Land : Disney California AdventureFrozen - Live at the Hyperion Opens May 27.

May 2018

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.
Event Date - May 3, 2018Disneyland Park : Disneyland ResortDisneyland After Dark: Star Wars Nite This after hours party will be held on May 3, from 9:00 p.m. to 1:00 a.m., party guests may enter Disneyland starting at 6:00. Party goers will have the first opportunity to experience new entertainment offerings that begin on May 4, including a character meet and greet with Rey, the "March of First Order", and the return of Hyperspace Mountain. Ticket sales begin March 27 to Annual Passholders, and March 29 to the general public. Tickets are $99/person ages 3 and over.
May. 18 - Jul. 08Hollywood Land : Disney California AdventureIncredibles 2 Sneak Peek The Sunset Showcase Theater is showing the first 10 minutes of the new Incredibles 2 movie.

May 2021

April 30Disneyland Park : Disneyland ResortDisneyland Park Reopening
April 30Disney California Adventure : Disneyland ResortDisney California Adventure Reopening

May 2022

Apr. 22 - Sep. 01Disneyland Park : Disneyland ResortMain Street Electrical Parade The Main Street Electrical Parade is closing on September 1st, 2022.
Apr. 22 - Sep. 01Disneyland Park : Disneyland ResortDisneyland Forever Fireworks The Disneyland Forever Fireworks show will end on September 1st, 2022.
2022/05/01 - 2022/05/28Disneyland Park : Disneyland Resort2022 Disneyland After Dark: Star Wars Nite Events Event requires separate ticket. Held on select evenings.