Celebrate 70 years of Disneyland. The all-new event special, “The Happiest Story on Earth: 70 Years of Disneyland – 20/20 Special Edition,” airs tonight at 8/7c on ABC. Stream next day on Disney and Hulu. #Disneyland70 | ABC News

Watch 20/20’s special edition “The Happiest Story on Earth: 70 Years of Disneyland” tonight at 8/7c on ABC. The documentary explores the magic behind Walt Disney's dream and the challenges he faced to bring the theme park to life. Stream next day on Disney and Hulu. #Disneyland70 | Good Morning America

New attractions will soar into Disneyland with a little help from Iron Man himself. 20/20's special edition “The Happiest Story on Earth: 70 Years of Disneyland” is airing now on ABC, giving a peek at future attractions coming to to Disney California Adventure Park. Stream later on Disney and Hulu. #Disneyland70 | ABC News