Released on August 7, the romantic comedy "One Night Only," directed by Will Gluck and written by Travis Braun, presents a high-concept premise in an alternate United States where premarital sex has been outlawed, with the exception of one designated night each year. On this annual event, dubbed the "Sex Purge," single people are permitted to engage in sexual activity for a 12-hour period. The film is set primarily in New York City and follows two main characters, Allie (Monica Barbaro), a jingle singer, and Owen (Callum Turner), a pizza delivery man, as they navigate various obstacles toward potential romance.

The movie’s central conceit features biosensors embedded as tattoos that monitor participants’ proximity and biochemical signals, turning from red to green during the allotted window when premarital sex is legal. While this technological enforcement raises questions—such as how the law deals with LGBTQ+ relationships or solo sexual activity—the film offers limited exploration of these aspects. Critics note a lack of clarity and consistency in the world-building, including how such a restrictive mandate is policed or its broader societal impact.

The political and cultural context of the film has drawn mixed reactions. Some reviewers argue that the rationale behind the law—such as reducing teen pregnancy—is dated and underdeveloped. Others observe that the story’s treatment of sexual politics is superficial, failing to deeply engage with issues of bodily autonomy or the implications of criminalizing premarital sex. The portrayal largely focuses on heterosexual characters and scenarios, with minimal LGBTQ+ representation and limited engagement with the complexities of sexual identity within this fictional world.

Performances by Barbaro and Turner receive acknowledgment for their charisma, though the chemistry between their characters is viewed as inconsistent. The narrative follows familiar romantic comedy tropes—enemies-to-friends-to-lovers—punctuated by comedic moments involving price-gouging of sexual services and interventions by authorities during the Sex Purge night. Several celebrity cameos are featured, which some critics suggest serve as distractions from the film’s underexplored premise and character development.

Opinions on the film’s tone and execution vary, with some describing it as a light-hearted, if flawed, romp that relies heavily on its cast’s appeal and amusing set pieces. Others contend that the movie feels outdated and conservative, failing to capture the complexities or potential risqué nature of its concept, resulting in a narrative that is more tame than provocative. The storyline contains repetitive dream sequences and contrived comedic scenarios that some say detract from the overall engagement.

Despite its unconventional premise and notable setting at recognizable New York locations such as the White Horse Tavern and Electric Ladyland Studios, "One Night Only" has drawn criticism for an undercooked script and uneven political and romantic elements. The film opens in theaters rated R for sexual material, language, and brief nudity, with a runtime of approximately 102 minutes.