"American Idol's" Katy Perry in Hawaii; actress Grace VanderWaal ("Stargirl"); inside Pixar's animated movie, "Onward."

Creating "Diary of a Future President;" directing "Mulan;" legends of the Disney Animation Vault.

Hulu's "Little Fires Everywhere;" elephants of Disney's Animal Kingdom; DCappella celebrates Goofy.

Masters of ink and paint; Guo Pei designs for Minnie; a Disney conservation hero.

Racing the runDisney way; designing a Disney video game; 50 years of The Walt Disney archives.

Author Eoin Colfer ("Artemis Fowl") goes on a tour through the Irish countryside; chefs look at how they created Epcot's Regal Eagle Smokehouse: Craft Drafts & Barbecue; Imagineers reveal how they built Mickey and Minnie's Runaway Railway.