D23: The Ultimate Disney Fan Event is now one month out — August 14, 15, and 16 in Anaheim — and Disney has released the full programming schedule. If you're a Walt Disney World fan, one day matters more than the other two, and Disney has quietly told us something interesting about it.

Saturday is the day that matters

Saturday, August 15 brings Horizons: Disney Experiences Showcase — what fans just call the Parks Panel. This is where the theme park announcements land: new attractions, new lands, updates on projects already in the pipeline, straight from Imagineering. For the first time ever, it has a celebrity host: Neil Patrick Harris, a lifelong Disney fan whose particular devotion to Figment is well documented.

Disney also says this year's showcase is inspired by the Carousel of Progress. That's not a throwaway line, and here's the part worth noticing: the panel is named "Horizons" — the EPCOT attraction that ran from 1983 to 1999 and was, in spirit and in sponsorship, the direct successor to the Carousel. Both were General Electric productions. Both were built around the same idea: that tomorrow is going to be wonderful, and here's what it looks like.

So Disney has named its future-of-the-parks presentation after its most beloved lost attraction about the future, and themed it around the attraction it just closed for a Walt-animatronic-led rebuild. That is a company telling you, without telling you, that it wants to talk about tomorrow.

Naming the parks showcase "Horizons" and building it around the Carousel of Progress is the single most on-the-nose thing Disney could have done. It's a wink at exactly the people who'll catch it.

The rest of the main stage

An important logistical note: all three of these are at the Honda Center, and they're available only to D23 Ultimate Fan Pass and Ultimate Preferred Fan Pass holders. There are no reservations and no standby lines for them. If you don't hold one of those passes, you're watching the parks announcements online like the rest of us.

What we're actually watching for

Disney hasn't said what it will announce — it never does. But two live threads make this year's showcase worth your attention:

Add the projects already announced and still unfolding — Piston Peak, Villains Land — and there's plenty of runway for a genuinely loaded Saturday.

The smaller panels worth knowing about

Away from the Honda Center, five stages at the Anaheim Convention Center host panels, and a few are aimed squarely at park people:

Unlike the Honda Center shows, Convention Center panels do have standby queues — so these are gettable even without the premium pass.

If you're going: the deadline you can't miss

Reservations for Convention Center presentations run through a randomized Reservation Selection Process, and the window is narrow:

Tickets are still available, too: full-day Sunday Fan Passes, plus Afternoon-Only Passes for each day at $49. Just remember what that does and doesn't get you — the big parks showcase is Honda Center, and Honda Center is Ultimate-Pass-only.

The bottom line

Mark Saturday, August 15. That's when we learn what Walt Disney World actually looks like for the next five years — and whether the rumor mill has been right about any of it. We'll be covering whatever lands.

Details accurate as of July 14, 2026, and confirmed by Disney. Panel content and announcements are at Disney's discretion and subject to change.