If there is one thing we know for certain about Walt Disney World Resort, it is that the parks are always evolving. From sweeping new themed lands to the tiniest tweaks on beloved classic attractions, Walt Disney Imagineering never stops refining the magic. Now, just months after Big Thunder Mountain Railroad at Magic Kingdom reopened from a massive 16-month refurbishment, it looks like another change could be in the works — and this one has fans very excited.

The Wildest Ride in the Wilderness Gets a Refresh

To understand what is happening now, we need to rewind a bit. Big Thunder Mountain Railroad underwent an extensive 16-month refurbishment that stretched from early 2025 into the spring of 2026. For over a year, Frontierland felt noticeably quieter without the familiar clack-clack-clack of the runaway mine trains and the echoing whistles drifting across the Rivers of America.

When the attraction finally reopened its queues in May 2026, the results were striking. Disney crews used the extended downtime to replace the attraction's track and make extensive updates, all while preserving the wild, out-of-control feel the coaster is famous for. The red rock formations were refreshed, the geysers were restored, and the flooded mining town of Tumbleweed received updated scenery and fresh paint. The overhaul was widely discussed and generally received positive attention from the Disney World fan community.

But it did not take long for nostalgic riders to notice that something was missing.

The Mystery of the Missing Possums

As the runaway mine train careens out of the cavern and splashes through the flooded remnants of Tumbleweed, riders are usually treated to a flurry of classic Disney visual gags — a sinking saloon, spinning townspeople trying to stay dry, and plenty of wacky charm. But one beloved detail was absent on reopening day: the spinning possums.

Before the 16-month closure, riders passing through this section of the attraction would zoom underneath a thick tree branch where a family of possums hung upside down by their tails, seemingly spinning in circles above the runaway trains. It was a brief, silly moment that perfectly captured the playful spirit of Big Thunder Mountain Railroad.

When the ride reopened in May, the branch — and the possums — were completely gone. Where the branch once connected to the main tree trunk, there was nothing but bare, painted bark.

Disney moved quickly to reassure fans, confirming that the possums were still part of the long-term plans for the attraction and that they would return "soon." Now, five months later, there are promising new signs that work may finally be underway.

Safety First: Why the Possums Had to Wait

So why did the possums go missing in the first place, especially after such a lengthy refurbishment? According to Disney's reported explanation, the possums did not pass a crucial ride-envelope clearance test before the ride reopened.

Safety is always the top priority at Walt Disney World. Attractions are designed with an "envelope of protection" — a specific clearance zone around the ride vehicles that ensures guests cannot reach out to scenery or other structures while the ride is in motion. During the extensive track replacement, changes to the ride system can affect clearances throughout the attraction. When engineers ran the envelope testing, the possum branch was reportedly deemed too close to the ride path. Disney did not have time to correct the issue before the scheduled reopening, so the branch and possums were temporarily left out while the attraction welcomed guests back.

New Clues Point to a Possum Revival

Fast forward to October 2026, and eagle-eyed riders splashing through Tumbleweed have spotted a brand-new development. According to BlogMickey, guests this week have noticed a large, dark tarp covering the exact portion of the tree trunk where the possum branch previously attached.

Since the ride reopened with a finished, bark-textured trunk in that spot, the sudden appearance of a tarp strongly suggests that active work may now be underway. While it is impossible to see exactly what is happening beneath the cover as you zoom past on a mine train, the current evidence points to crews potentially preparing the trunk for work related to the missing branch.

Given Disney's earlier confirmation that the possums will return, it is possible that the tree is being modified to accommodate them while meeting the attraction's clearance requirements. This tarp is the most promising sign fans have had in five months that the beloved critters could be on their way back to Frontierland.

Why the Little Things Matter So Much

To a casual theme park visitor, a couple of fake possums missing from a roller coaster might sound like a trivial detail. But to the passionate Walt Disney World fan community, these are exactly the kinds of details that matter most.

The "Disney Difference" is built on immersive storytelling and Imagineering craft. Big Thunder Mountain Railroad is not just a coaster on a steel frame — it is a living, breathing story about a mining town in the American Southwest. The spinning possums, the braying donkeys, the flooded saloons, and the glowing dynamite in the caverns all work together to make you truly believe you are on the wildest ride in the wilderness. When elements go missing, the story feels just a little bit emptier. Seeing Disney work to address even a minor visual detail removed during the refurbishment speaks to the effort required to maintain the richly detailed environments that make Disney Parks so distinctive.

What's Next for Frontierland?

With the busy holiday season rapidly approaching — including Mickey's Very Merry Christmas Party — Magic Kingdom is gearing up for some of the year's highest crowd levels. Getting the possums safely reinstalled on Big Thunder Mountain Railroad before the holiday rush would be a wonderful little gift for returning fans.

We will be keeping a very close eye on that Tumbleweed tree over the coming weeks. Once the tarp comes down and the spinning possums make their grand return, we will be right here to share the news and the photos!

What do you think? Are you excited to see the possums return to Big Thunder Mountain Railroad, or did you not even realize they were missing? Let us know in the comments below, and keep checking back with Disney Daily for the latest Walt Disney World news, updates, and construction coverage!