Directed by Claire Scanlon and adapted by screenwriter Sarah Rothschild from Ali Hazelwood's bestselling STEM romance novel, the feature film adaptation of The Love Hypothesis made its global streaming debut on Prime Video on September 23, 2026. Produced by Amazon MGM Studios, MRC, Bisous Pictures, and The Cantillon Company, the 112-minute romantic comedy bypassed a wide theatrical window to release directly on streaming networks worldwide. The adaptation captured immediate global traction among BookTok fans and romance enthusiasts, driven by lead star and executive producer Lili Reinhart alongside co-star Tom Bateman. WHERE TO WATCH & STREAMING AVAILABILITY The Love Hypothesis is available for subscription streaming exclusively on Prime Video across more than 240 countries and territories, hosted in 4K Ultra HD resolution with High Dynamic Range and spatial audio support. Digital transactional video-on-demand storefronts, including Amazon Prime Video and Apple TV, offer options for digital purchase and rental in select territories. Physical home media collector editions on Blu-ray and DVD featuring exclusive cast featurettes are distributed via regional home entertainment partners. INTRIGUING FACTS & TRIVIA Author Ali Hazelwood originally wrote the story as an alternate-universe Rey Skywalker and Kylo Ren Star Wars fanfiction on Archive of Our Own before reworking the narrative into her runaway debut novel. Lead actress Lili Reinhart served as an executive producer on the project, wearing a dark wig and working closely with director Claire Scanlon to capture the socially awkward, fast-talking energy of the protagonist. The production team filmed principal photography on location in Montreal, Canada, using local academic spaces and practical lab builds to recreate the iconic Stanford University campus setting. BACKSTORY & THEMATIC ANALYSIS The narrative follows Olive Smith (Lili Reinhart), a brilliant, socially clumsy third-year biology Ph.D. candidate at Stanford University who is driven to develop early detection methods for pancreatic cancer following her mother's death. When Olive needs to convince her best friend Anh (Rachel Marsh) that she has moved on from a past crush so Anh can freely date him, Olive impulsively kisses the first man she sees in a hallway. That man happens to be Dr. Adam Carlsen (Tom Bateman), a notoriously harsh, intimidating young professor known as the campus villain. To Olive's surprise, Dr. Carlsen agrees to keep up the fake-dating charade. Adam needs Stanford administration to believe he has local roots so his research funds remain unblocked, while Olive needs to maintain her lie for a few weeks. As their fake relationship progresses through public coffee dates and academic conferences, the artificial boundary between them dissolves into genuine emotional attachment. However, systemic academic politics, grant rivalries, and misunderstandings threaten both Olive's scientific career and her newfound connection with Adam. Thematically, The Love Hypothesis explores vulnerability, academic imposter syndrome, female agency in STEM fields, and the unpredictable nature of love. By contrasting the rigorous, logic-driven realm of scientific research against the chaotic uncertainty of human emotion, the story illustrates that matters of the heart cannot always be calculated or controlled. BEHIND-THE-SCENES INSIGHTS Director Claire Scanlon relied on vibrant color palettes, rapid-fire comedic banter, and intimate close-up framing to translate the beloved grumpy-and-sunshine romance dynamic from page to screen. Composer Laura Karpman developed a lighthearted, woodwind-driven musical score that mirrors Olive's frantic academic environment and her evolving feelings for Adam. Through its charm, faithful adaptation of fan-favorite scenes, and strong lead chemistry between Lili Reinhart and Tom Bateman, The Love Hypothesis stands as a standout romantic comedy adaptation.