Once Upon a Studio: Watch, Plot, Characters & Disney Tribute

Few moments in animation history have felt as much like a family reunion. When Mickey Mouse gathered more than 500 Disney characters for a group photo in 2023, it was a celebration of a century of storytelling — and a reminder of just how many worlds Disney has built since that first hand-cranked projector clicked to life. The short film that captured that moment, “Once Upon a Studio,” landed on Disney+ on October 16, 2023, and it remains one of the most streamed tributes the studio has ever produced.

Release Year: 2023 · Produced By: Walt Disney Animation Studios · Streaming Platform: Disney+ · Characters Featured: 500+ · Purpose: 100th Anniversary Tribute

Where can I watch Once Upon a Studio?

The short film debuted exclusively on Disney+ on October 16, 2023 — the same day Walt Disney Animation Studios turned 100. It also streamed on Hulu that same day and aired on multiple Disney networks including Disney Channel, Disney Junior, Freeform, FX, FXX, and FXM (Disney+ Press). The Disney+ UK page confirms availability for international subscribers as well (Disney+ UK).

As of 2026, the short remains on Disney+ with no announcements of removal. Subscriptions start at $12.99/month on the US platform (Disney+). A new content promotion feature specifically highlighted the title for US subscribers at launch (BroadwayWorld).

Streaming on Disney+

Disney+ serves as the primary streaming platform. The film appears in the Disney100 collection, organized by release decade, alongside restored classics from the studio’s century of animation (BroadwayWorld). The debut coincided with the 4K restoration release of “Snow White and the Seven Dwarfs” on the same platform (Disney+ Press).

Other availability

Beyond streaming, the short had a brief theatrical run playing in front of Disney100 special engagement screenings of “Moana” through October 26, 2023 (BroadwayWorld). Additional TV airings were scheduled on Disney Junior for October 18 and Disney Channel for October 22, 2023.

Is Once Upon a Studio a tribute?

Yes — and it’s a tribute that runs deeper than a simple birthday card. “Once Upon a Studio” is fundamentally a celebration of Walt Disney Animation Studios marking its 100th anniversary, which officially fell on October 16, 2023 (Wikipedia). The short combines live-action footage with traditional hand-drawn animation and CGI to create something genuinely unique in the studio’s catalog.

The film has been described in fan communities as a “love letter” to Walt Disney Animation Studios (Disney Wiki). That’s not marketing language — it’s an accurate description of what unfolds on screen when Mickey Mouse rings the bell to summon characters from a century of films.

100th anniversary celebration

Walt Disney Animation Studios celebrated its centennial on October 16, 2023, with the debut of this short alongside restored classics and new promotional features on Disney+ (Disney+ Press). Twenty-seven restored Walt Disney Animation Studios classic shorts had been added to the platform earlier that year, setting the stage for the centennial celebrations (BroadwayWorld).

Honoring Walt Disney

The short includes a tribute to Burny Mattinson, the longest-serving Disney animator, who worked directly with Walt Disney himself. In the film, an intern converses with Mattinson — a living bridge between the studio’s founding generation and its current creative teams (Wikipedia). Mattinson reportedly says in the film: “If these walls could talk…” — a line that carries weight given his decades at the Burbank campus.

What happens in Once Upon a Studio?

The plot is simple and deliberate: it’s October 16, 2023, at Walt Disney Animation Studios after the employees have gone home for the evening. The building is quiet until Mickey Mouse — appearing as a production cel from “Mickey’s Birthday Party” — stirs to life (Walt Disney Animation Studios Wiki). Mickey rings the studio bell, calling Tinker Bell to begin summoning characters from across the studio’s century of films.

Minne Mouse then rounds up the gathered characters with her signature “Yoo-Hoo!” call. The result is an emotional and joyful reunion as characters from over 85 feature-length and short films assemble for a group photo — the largest gathering of Disney characters ever attempted (YouTube). The voice cast includes Josh Gad, Dwayne Johnson, Kristen Bell, Ariana DeBose, Jodi Benson, and Paige O’Hara, among others (Disney+).

Plot summary

What unfolds is part nostalgic roll call, part behind-the-scenes fantasy. Mickey Mouse leads the gathering as the de facto host, with Tinker Bell and Minnie Mouse playing supporting roles in the character assembly. The short doesn’t follow a traditional narrative arc — it’s structured around the photo itself, building toward the moment when all characters assemble for the commemorative image.

The emotional weight comes from the collision of eras: characters who haven’t “appeared” together on screen since their original releases reunite in the same frame. The film captures the scope of what Walt Disney Animation Studios has built over a century, letting the characters themselves tell the story of the studio’s history.

Key scenes

Among the notable moments, the film features characters from films rarely referenced in modern Disney marketing: “Bedknobs and Broomsticks,” “The Black Cauldron,” and “Big Hero 6” all make appearances according to fan analyses of available clips (YouTube). The official trailer, released on YouTube, showcases the scale of the gathering (YouTube Official).

Is every Disney character in Once Upon a Studio?

Not every character — and that’s worth noting because the sheer volume is the point. The short features 543 Disney characters from more than 85 feature-length and short films, according to fan community analyses (YouTube). Other sources cite “over 500 characters,” which aligns with the range (YouTube).

What’s notable is the selection logic: the film prioritizes characters with distinct visual identities and emotional resonance, which means some deep-cut favorites appear while others are absent. The full official character list has not been published by primary sources, leaving a gap that fan wikis have attempted to fill.

500+ characters featured

The character count is the short’s headline number, but it’s worth understanding what it represents. This isn’t a simple cameo parade — each character was reportedly animated for this short, which means the production team faced the challenge of translating 100 years of animation styles into a cohesive visual language.

The Disney100 collection on Disney+ organizes content by release decade, and “Once Upon a Studio” serves as a capstone for that century of output. Characters span from the 1920s silents to recent releases from the 2020s.

Notable inclusions and omissions

The question of who didn’t make the cut has sparked curiosity, particularly regarding certain major characters. One of the most-asked questions online concerns Mufasa from “The Lion King” — a character whose absence is notable given his prominence in the Disney canon. Specific analyses on YouTube have explored the production choices behind character selection.

The film prioritizes Walt Disney Animation Studios characters specifically, which means Pixar characters are not included — a distinction that matters given how many Disney properties now exist under the corporate umbrella.

Why is Mufasa not in Once Upon a Studio?

The absence of Mufasa is one of the most-asked questions about the short, and the answer lies in studio ownership rather than creative oversight. Mufasa and the “Lion King” franchise are products of Disney’s live-action division and CGI remake pipeline, not Walt Disney Animation Studios proper. “Once Upon a Studio” is specifically a Walt Disney Animation Studios production, which means it draws exclusively from that studio’s animated canon.

The same logic applies to characters from Pixar Animation Studios, Marvel Studios, Lucasfilm, and other Disney-owned properties that operate as separate creative entities. The short was conceived as a celebration of the Burbank animation studio specifically, not the broader Disney company.

Reasons for absence

The production team, led by co-directors Dan Abraham and Trent Correy, had to draw the line somewhere — and that line was the WDAS catalog. Including characters from outside that catalog would have required negotiations with other studios and potentially compromised the intimate, studio-specific celebration the short was designed to be.

Fan analyses have identified specific explanations in YouTube content exploring character omissions (YouTube). The production choices reflect practical constraints as much as creative ones.

Character selection

The selection process appears to have prioritized characters with immediately recognizable silhouettes and emotional histories — the ones audiences would notice instantly in a group photo. This explains the strong showing of characters from the Disney Renaissance (1989–1999) and the classic era, alongside deep cuts from the 1970s and 1980s.

The implication for viewers is clear: the short rewards familiarity with the WDAS catalog. The more Disney films you’ve seen, the more the group photo reveals.

Timeline

Three years of milestones trace the short’s journey from celebration to legacy:

Confirmed facts vs. rumors

What we know for certain: the short is 15 minutes long, debuted on October 16, 2023, and was directed by Dan Abraham and Trent Correy (Disney+). It streams on Disney+ and Hulu. The 100th anniversary context is confirmed by primary sources including Wikipedia and official press releases.

What’s less certain: the exact character count of 543 comes from fan community sources and hasn’t been independently verified by tier 1 or tier 2 institutions. The precise selection criteria for which characters appear also remains unreported by primary sources.

“Mickey Mouse leads the emotional and joyful reunion of beloved Disney characters as they come together for a group photo to mark Disney’s 100th anniversary.”

— Disney+ Press (Official Press Release)

“If these walls could talk…”

— Burny Mattinson, animator, in the film (Wikipedia)

“100 years of stories. 100 years of magic.”

— Official trailer narration (YouTube Official)

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