Love Hypothesis Movie Hits Prime Video

Prime Video is gearing up to release the highly anticipated film adaptation of Ali Hazelwood's bestselling novel, The Love Hypothesis. The movie, which streams globally on September 23, stars Lili Reinhart and Tom Bateman as two academics navigating a fake relationship.

This rom-com follows Olive, a Ph.D. candidate, who impulsively kisses Professor Adam Carlsen to convince her friend she's over her crush. Their arrangement evolves into a mutually beneficial, fake relationship.

Cast and Crew

Lili Reinhart, known for Chemical Hearts, takes on the role of Olive. Tom Bateman, from Hedda, plays the intimidating Professor Adam Carlsen.

The supporting cast includes Rachel Marsh as Olive's best friend Ahn and Nicholas Duvernay as Jeremy, Olive's crush. Claire Scanlon directs the film, with Sarah Rothschild penning the screenplay based on Hazelwood's novel.

How to Watch

The Love Hypothesis will be available exclusively on Prime Video starting September 23. Access to the film requires an Amazon Prime membership, which costs $14.99 per month or $139 annually in the U.S. Discounted membership options are available for eligible individuals.

For those not yet members, a 30-day free trial of Amazon Prime is offered.

Last updated: August 2026

Teaser Trailer and Pre-Release Buzz

Prime Video released the first teaser trailer for The Love Hypothesis on August 5, 2026. Stars Lili Reinhart and Tom Bateman made their first joint public appearance for the project at Prime Video's Obsessed Fest, an immersive fan event in Los Angeles where the teaser debuted. The trailer confirmed the chemistry-first tone of Ali Hazelwood's novel and drew immediate response from the book's online fanbase. Lili Reinhart told V Magazine in January 2026: "It's not my typical genre, but I appreciate a really good romantic comedy." The cast also includes Jaboukie Young-White and Arty Froushan alongside Rachel Marsh and Nicholas Duvernay.

StartupHub.ai, which tracks media and streaming platform content trends, notes that Prime Video's 2026 original film slate leans heavily on pre-existing literary fandoms, a strategy that generates organic pre-release buzz at a fraction of the marketing cost of original IP. Across the streaming titles we track, literary adaptations with active reader communities convert pre-release search traffic to subscribers at measurably higher rates than originals.

Frequently Asked Questions

When does The Love Hypothesis premiere on Prime Video?

The Love Hypothesis premieres September 23, 2026, streaming exclusively on Prime Video worldwide.

Who stars in The Love Hypothesis movie?

Lili Reinhart plays Olive, a Ph.D. candidate who enters a fake relationship with Professor Adam Carlsen, played by Tom Bateman. Supporting cast includes Rachel Marsh, Nicholas Duvernay, Jaboukie Young-White, and Arty Froushan.

Is The Love Hypothesis based on a book?

Yes. The film adapts Ali Hazelwood's bestselling 2021 novel of the same name, a romance set in academic research that built a devoted following online before the film was announced.

Who directed The Love Hypothesis?

Claire Scanlon directed the film from a screenplay written by Sarah Rothschild.

Where can I watch The Love Hypothesis?

The Love Hypothesis is exclusive to Prime Video and requires an Amazon Prime membership ($14.99/month or $139/year in the U.S.). A 30-day free trial is available for new members.

Is there a trailer for The Love Hypothesis?

Yes. Prime Video released the first official teaser trailer on August 5, 2026. It premiered at Prime Video's Obsessed Fest fan event in Los Angeles with Reinhart and Bateman in attendance.