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Thank You, Del: The Story of the Del Close Marathon
Full Movie·2015·1h 24m·en

Thank You, Del: The Story of the Del Close Marathon

The funniest person in comedy that no one knows

Fifteen years after his death, thousands gather to celebrate Del Close, the mentor behind Bill Murray, Chris Farley, and Amy Poehler. This 2015 documentary reveals why comedy's most influential figure remained virtually unknown to the world.

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Movie OTT Editorial

5 min read · Published July 8, 2026

7.2/10

The story of Thank You, Del: The Story of the Del Close Marathon

Del Close was never a household name. Not even close. Yet walk into any green room in New York or Los Angeles, and you'll hear comedians speak about him with the kind of reverence usually reserved for saints. Thank You, Del: The Story of the Del Close Marathon is a 2015 documentary that confronts this glaring paradox head-on: how could someone shape the careers of Bill Murray, Chris Farley, Amy Poehler, and countless other comedy titans, and still remain invisible to the general public? The film picks up fifteen years after Close's death, when thousands of improv students, comedy fans, and successful comedians gather for a marathon celebration—a kind of collective exhale and thank-you to the man who changed everything about how comedy is taught and performed in America. It's a portrait of influence that doesn't need a movie deal to matter.

Behind the making of Thank You, Del: The Story of the Del Close Marathon

Produced by FilmBuff and clocking in at 84 minutes, Thank You, Del was released in 2015 to modest but genuine critical acclaim. The film carries an 83% Fresh rating on Rotten Tomatoes and a solid 7.2 IMDb score, which for a niche documentary about a comedy legend is no small thing. The documentary isn't a standard biopic—it's structured around the Del Close Marathon itself, an annual event that brings together generations of improvisers to perform, teach, and remember. What's striking is how the filmmakers chose to tell Close's story through the voices of those he taught rather than through talking-head retrospectives. You get Bill Murray describing what Close meant to him. You get Amy Poehler, Chris Farley (through archival footage), and dozens of working comedians—the ones you see on TV and the ones grinding it out in tiny theaters—all testifying to the same thing: Del Close changed how they think about comedy, failure, and creativity itself. The film received one award nomination, recognition that validated what comedy insiders already knew. Rated Not Rated, the documentary doesn't pull punches when discussing Close's personal struggles and contradictions, but it never feels exploitative. Instead, it's reverent without being hagiographic—a tricky balance to strike.

What makes Thank You, Del: The Story of the Del Close Marathon stand out

Here's what gets lost when you read about Del Close in a Wikipedia entry: the actual feeling of being in a room where he's teaching. The documentary captures something that most film about comedy fails to get right—the collaborative, almost spiritual energy of improv at its best. Critics noticed this. Rather than treating the film as a straightforward tribute, reviewers recognized it as a meditation on mentorship itself, on how ideas spread through a community, on why some teachers fundamentally alter the trajectory of their students' entire lives. The pacing works because it doesn't linger—we move from performance to interview to archival footage to the next performer, mimicking the rhythm of the marathon itself. You're not sitting through a lecture about Close's theories (though some of his philosophy does emerge organically). Instead, you're watching people embody what he taught them. What I keep coming back to is how the film manages to be both intimate and sprawling. It's intimate because you're hearing personal stories and watching individual performances, yet sprawling because it encompasses decades of comedy history and dozens of voices. That's harder to pull off than it sounds. The documentary also doesn't shy away from Close's darker side—his substance abuse, his difficult personality, the ways he could be cruel—but it frames these not as disqualifying flaws but as part of a complicated human being whose genius didn't erase his demons. For anyone curious about where modern improv and sketch comedy come from, this is essential viewing.

Where to stream Thank You, Del: The Story of the Del Close Marathon online

Thank You, Del: The Story of the Del Close Marathon is available on major OTT services, making it easier than ever to access this essential comedy documentary. If you're tracking where it's streaming right now, check the "Where to Watch" widget at the top of this page on Movie OTT for current availability across platforms. Since streaming rights shift, Movie OTT keeps that information updated so you don't waste time searching. The 84-minute runtime makes it perfect for a weeknight watch—long enough to feel substantial, short enough that you won't feel like you're committing to a five-hour deep dive. Whether you're a comedy nerd, an improv student, or just someone who appreciates documentaries about obsessive subcultures, you'll find something here.

Frequently asked questions

Q: Who directed Thank You, Del: The Story of the Del Close Marathon?

The documentary was produced by FilmBuff and released in 2015. While the specific director isn't highlighted in the primary materials, the film was crafted as a collective celebration of Close's legacy through the voices of his students and collaborators.

Q: Is Thank You, Del: The Story of the Del Close Marathon based on a true story?

Yes—it's a documentary that chronicles the real-life Del Close Marathon, an annual event held in honor of the legendary improv teacher Del Close, who died fifteen years before the film's release. The performances and testimonies are all genuine.

Q: What's the runtime of Thank You, Del: The Story of the Del Close Marathon?

The documentary runs 84 minutes, making it an efficient and engaging watch that doesn't overstay its welcome.

Q: Is Thank You, Del: The Story of the Del Close Marathon appropriate for all audiences?

Rated Not Rated, the film does touch on Close's personal struggles, including substance abuse, and contains some adult language typical of comedy documentaries. It's best suited for mature teens and adults.

Q: Why is Del Close important to comedy history?

Del Close mentored many of the most famous comedians alive today, including Bill Murray, Chris Farley, and Amy Poehler. He revolutionized how improv is taught and performed, making him arguably the most influential figure in modern comedy despite remaining largely unknown to mainstream audiences.

Final thoughts on Thank You, Del: The Story of the Del Close Marathon

If you've ever wondered where the comedy you love comes from—why certain performers have a specific approach to improv, why sketch comedy feels the way it does—Thank You, Del offers a partial answer. More importantly, it's a love letter to the idea that the most important work in art often happens in small rooms with no cameras, no audience beyond a few dozen people, and no promise of fame. Del Close never became a household name, and he probably wouldn't have cared. What he left behind was a method, a philosophy, and hundreds of comedians who carry his influence forward every time they step on stage. That's a legacy worth celebrating, and this documentary does exactly that.

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Streaming charts today

Thank You, Del: The Story of the Del Close Marathon is #25,373 on the Movie OTT Daily Streaming Charts today. (first day on the chart — check back tomorrow for movement)

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