ABC NEWS STUDIOS AND "20/20" ANNOUNCE "THE HAPPIEST STORY ON EARTH: 70 YEARS OF DISNEYLAND - SPECIAL EDITION OF 20/20," AIRING SEPT. 21 ON ABC, STREAMING NEXT DAY ON DISNEY+ AND HULU

The Special Event Celebrates 70 Years of One of the Most Iconic and Beloved Theme Parks in the World with a Sneak Peek at the Future of Disneyland Resort

Commemorate seven decades of the magic, joy and innovation of one of the most beloved theme parks in the world when the special event "The Happiest Story on Earth: 70 Years of Disneyland - Special Edition of 20/20," airs Sunday, Sept. 21 (8:01-10:00 p.m. EDT) on ABC, next day on Disney+ and Hulu. Announced today by ABC News Studios, "The Happiest Story on Earth: 70 Years of Disneyland" pulls back the curtain to reveal the magic behind Walt Disney's dream, with enchanting stories sure to surprise and delight even the most devoted fans.

Disneyland Resort has enchanted guests of all ages from near and far. Viewers will hear reflections on childhood visits to the park from some of Disney's biggest fans including Hollywood's Neil Patrick Harris, Jamie Lee Curtis, Jon Favreau, Patrick Warburton and Tiffany Haddish; observations from The Walt Disney Company Chief Executive Officer Bob Iger on what the future holds for Disneyland Resort; and an exclusive message from Prince Harry and Meghan, Duchess of Sussex, on what the park means to them and their family. The special celebrates the countless creators who have contributed to bringing the wonderful world of Disneyland to life and shares rare insight from Bob Gurr, a former Disney Imagineer who was there on opening day, reflecting on working side by side with Walt Disney himself.

The special also reveals the rich history of the iconic attractions that have fascinated visitors from around the world, including Jungle Cruise, Pirates of the Caribbean and the Haunted Mansion, and takes viewers behind the scenes of Disneyland's legendary parades and nighttime spectaculars. Cameras are granted access to the "World of Color" control room - an area typically reserved for working cast members only - offering a look at how these technological marvels come to life. The special also provides a look at the new, first-of-its-kind audio-animatronics figure of Walt Disney with the Imagineers who helped create "Walt Disney - A Magical Life." Additional appearances include Julie Andrews, who remembers visiting the park with Walt, and Josh Gad, who reflects on his dream come true as he"worked" as a skipper at Jungle Cruise.

In addition to honoring the past, "The Happiest Story on Earth: 70 Years of Disneyland" also looks toward the future of Disneyland Resort with an exciting sneak peek at future Disney California Adventure Park attractions, including an expansion to Avengers Campus, a Coco attraction and the new Avatar destination, giving viewers an inside look at how Disney continues to innovate and inspire new generations.

"The Happiest Story on Earth: 70 Years of Disneyland - Special Edition of 20/20" is produced by "20/20" and ABC News Studios. Matt Lombardi serves as executive producer. Janice Johnston is executive producer for "20/20." David Sloan serves as senior executive producer for ABC News Studios.

About "20/20"

ABC News' "20/20" is an award-winning primetime program anchored by David Muir and Deborah Roberts. A proven leader as a long-form newsmagazine for over 45 years, "20/20" features unforgettable, character-driven true-crime mysteries, exclusive newsmaker interviews, hard-hitting investigative reports and in-depth coverage of high-profile stories. Janice Johnston is the executive producer. The two-hour "20/20" events air Fridays from 9:01-11:00 p.m. ET on ABC and are available to stream on ABC News digital platforms and Hulu.

About ABC News Studios

ABC News Studios is inspired by ABC News' trusted reporting and is an award-winning, premium news and documentary original production house and commissioning partner of series and specials. ABC News Studios champions untold and authentic stories driving the cultural zeitgeist spanning true-crime, investigations, pop culture and news-adjacent stories. ABC News Studios' original titles include critically acclaimed documentaries "Pretty Baby: Brooke Shields," "BRATS," "Sound of the Police," "The Lady Bird Diaries," "Aftershock," Emmy-nominated "Patrice: The Movie" and most recently, "Barbara Walters Tell Me Everything." Other popular docuseries and documentaries include "Scamanda," "The Fox Hollow Murders: Playground of a Serial Killer," "Betrayal: A Father's Secret," "Sins of the Parents: The Crumbley Trials," "Wild Crime," "Mormon No More," "The Randall Scandal: Love, Loathing, and Vanderpump" and "Jelly Roll: Save Me." ABC News Studios content streams on Hulu and Hulu on Disney+.