From animation to parks to television to music, this ABC News Studios special will chronicle all facets of the company. You'll see the creation of Mickey Mouse and then learn how Walt Disney's quest to make the very first feature-length animated film, "Snow White," nearly bankrupted the new studio.
VIDEO: 'Once Upon a Studio' on Disney+ features 543 classic characters from 85 films
'Once Upon a Studio' debuts on Disney+, features 543 classic characters from 85 films
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From the creation of the Disney Brothers Studio to modern beloved brands such as Pixar, Marvel, Lucasfilm and 21st Century Fox, the core DNA of Disney remains the same: storytelling, creativity, innovation and optimism. The special is a celebration of the countless Disney creators and will also provide an inside look at an all-new Disney attraction.
The special features interviews with Disney CEO Bob Iger, the legendary stars of Disney's critically acclaimed hit musical fantasy film "Mary Poppins" Julie Andrews and Dick Van Dyke and Walt Disney's grandsons Chris Miller and Walter Miller.
Award-winning musical collaborators - including songwriter Richard Sherman of the Sherman Brothers, Elton John, Alan Menken, and Lin-Manuel Miranda - will discuss the powerful role of music in Disney's storytelling.
VIDEO: Disney's 'Wish' storytellers create visual musical masterpiece that celebrates 100 years of magic
Disney's 'Wish' storytellers create visual musical masterpiece that celebrates 100 years of magic
Stars from Disney's animated feature films - including Idina Menzel, Jodi Benson, Paige O'Hara, and Ariana DeBose - will talk about voicing the animated musicals.
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Additional appearances include journalists Chris Connelly and Kelley L. Carter, Katy Perry, Chris Evans, John Stamos, "Mickey Mouse Club" actor Josh Ackerman, Disney Channel star Christy Carlson Romano, Disney Legends, experts and more.
Watch "Disney100: A Century of Dreams - A Special Edition of 20/20" this Thursday, Dec. 14 at 9 p.m. EST on ABC. It will stream the next day on Hulu and Dec. 22 on Disney+.
Disney is the parent company of ABC News, Hulu, Disney+ and this station.