Once Upon a Time in Hollywood
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Factual error: Sharon Tate walks past a theater sign that shows the film Pendulum is playing. This movie is set in February of 1969, but that movie did not come out in the US until March of 1969.

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Factual error: When Cliff is driving home on the freeway, just before he takes the off-ramp, a numbered exit sign is visible. California did not adopt numbered exits until 2002.

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Continuity mistake: During his conversation with the director, while discussing his costuming, Dalton's hair changes from messy and curled to gelled up and straight.

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Bruce Lee: My hands are registered as lethal weapons. We get into a fight, I accidentally kill you? I go to jail.
Cliff Booth: Anybody accidentally kills anybody in a fight, they go to jail. It's called manslaughter.

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Trivia: The final feature-film to feature Luke Perry, who tragically passed away a few months before its release after suffering two strokes.

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Question: Was it intentional that Joe Namath and Ann Margaret's names were each repeated twice on the screen as Sharon Tate walked into the theatre? (01:08:00)

Answer: Yes, though the intention was not Tarantino's. What is onscreen is the trailer of the (real) 1970 film "C.C. and Company", which starred (as you might have guessed) Joe Namath and Ann-Margret. Said trailer showed their names twice, a stylistic choice that emphasized the film's stars, and Tarantino used the unaltered trailer in the film.

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