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Larry David screenplay for film that was long-running gag on Seinfeld surfaces at last

Leaked draft of Prognosis: Negative was written in 1983 by Curb Your Enthusiasm star

May 13, 2026 16:26
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Larry David at the Emmy awards in 2018 (Matt Winkelmeyer/Getty Images)
2 min read

When diehard fans of Seinfeld hear the title Prognosis: Negative, they’ll likely smile in recognition. And thanks to the recent emergence of an unproduced 1983 screenplay by Seinfeld creator Larry David, the origins of that running joke are finally being revealed. 

The leaked draft of Prognosis: Negative, dated May 3, 1983, emerged online in February after a Reddit user purchased the script off eBay and uploaded it for public viewing, The New York Times reported last week. The 24-year-old Reddit user, named Jeremy Smith, bought it from an account selling several unpublished scripts, though it is unclear how the seller obtained David’s screenplay in the first place.

Despite never reaching the silver screen, the would-be film lent its title to a recurring gag about a fictional film on Seinfeld, which David created in 1989. And now that the screenplay is available to read online, it's evident that its title was but one small part of the film David would go on to repurpose for future projects.

Prognosis: Negative follows Leo Black, a man who can't seem to commit to the women he dates. But when he finds out that his ex-girlfriend is dying, he decides to give the relationship another shot. She would not, after all, be around much longer. If that darkly humorous premise rings any bells, it’s likely because it appears as a story line on Curb Your Enthusiasm some 20 years later, when David’s character tries to break up with a girlfriend (Vivica A. Fox) who has cancer.

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