The milestone in the title actually was reached last year, but other than a few cranky TV critics, who’s counting? The original Disneyland series on ABC started in 1955, even before the theme park bearing its name was opened to the public – and has given us many iterations of Disney anthology series and children’s shows over the past six decades. And this two-hour special embraces the movies, too. Enjoy? Absolutely. Among the guests: The Lion King composer Elton John.