Mousetalgia reports from D23's Destination D in this first part of our coverage of the event, which focused on Disney's 75 years of feature animation. Highlights from the report include a discussion about Walt's "Nine Old Men," and a conversation with animators Burny Mattinson and Joe Hale about the studio's first golden age of animation; a look at the life of Roy E. Disney and his work establishing a new golden age of animation for the studio; and a look at how animation has influenced the Disney theme parks. Also - Dick Van Dyke and his a capella group bring down the house - and more! Plus - don't forget to buy your tickets to "An Evening at the Tahitian Terrace" now at www.mousetalgiastore.com!