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If you loved Ali Hazelwood’s bestselling romance The Love Hypothesis, you can now see Olive and Adam brought to life on screen in this book-to-screen adaptation!
The romantic comedy stars Lili Reinhart as Olive Smith, a Ph.D. candidate who finds herself in a fake relationship with intimidating professor Adam Carlsen. What starts as a plan to help her best friend quickly becomes much more complicated when Olive begins to wonder whether their pretend relationship could turn into something real.
🎬 Watch The Love Hypothesis on Prime Video
Looking for where to watch The Love Hypothesis movie?
The Love Hypothesis begins streaming globally on Prime Video on September 23, 2026. The movie is a Prime Video release, so you can check Prime Video in your country or region for current viewing options.
🔬 What is The Love Hypothesis movie about?
The Love Hypothesis follows Olive Smith, a brilliant Ph.D. candidate who is focused on building her future in academia.
When Olive realizes that her best friend Ahn has fallen for Olive’s former crush, Jeremy, she impulsively kisses intimidating professor Adam Carlsen to convince Ahn that she has moved on.
There’s just one problem: Adam is not exactly the warm and approachable professor Olive might have chosen for a fake relationship.
What begins as an impulsive kiss develops into a carefully arranged fake relationship with rules, boundaries and a mutually beneficial agreement. But as Olive and Adam spend more time together, their carefully planned arrangement starts to become much harder to separate from their real feelings.
Based on Ali Hazelwood’s bestselling romance novel, The Love Hypothesis is a book-to-screen adaptation that brings Olive and Adam’s fake-dating romance from the page to the screen.
🎭 The Love Hypothesis movie cast
The Love Hypothesis stars Lili Reinhart as Olive Smith and Tom Bateman as Dr. Adam Carlsen. The cast also includes Rachel Marsh as Ahn, Nicholas Duvernay as Jeremy, Jaboukie Young-White as Malcolm and Arty Froushan as Tom.
The movie is directed by Claire Scanlon, with a screenplay by Sarah Rothschild based on Hazelwood’s novel.
📖 Is The Love Hypothesis movie based on a book?
Yes. The Love Hypothesis movie is based on The Love Hypothesis by Ali Hazelwood, the bestselling romance novel that introduced readers to Olive Smith and Adam Carlsen.
The novel was published in 2021 and became a New York Times bestseller.
The movie is a book-to-screen adaptation of Hazelwood’s novel, bringing the fake-dating romance between Olive and Adam to the screen.
If you like to read the book before watching an adaptation, The Love Hypothesis is an obvious one to add to your reading list first. If you prefer to watch the movie without knowing the story, you can go straight to the film.
🍿 Movies Like The Love Hypothesis
Finished The Love Hypothesis and looking for another romantic movie to watch? If you enjoyed the fake dating, workplace romance and slow-building chemistry between Olive and Adam, here are a few romantic book-to-screen adaptations to add to your watch list.
Red, White & Royal Blue
Based on Casey McQuiston’s bestselling romance novel, Red, White & Royal Blue follows Alex Claremont-Diaz, the son of the U.S. president, and Prince Henry of Britain.
After their rivalry creates an international incident, Alex and Henry are forced to pretend that they have become friends. Their staged friendship soon develops into something much more complicated as their feelings for each other grow.
Like The Love Hypothesis, Red, White & Royal Blue combines a fake relationship with a romance that gradually becomes much harder to keep pretend.
The Idea of You
Based on Robinne Lee’s novel, The Idea of You follows Solène, a 40-year-old single mother who unexpectedly begins a relationship with Hayes Campbell, the much younger lead singer of a hugely popular boy band.
Their romance quickly becomes complicated by the attention surrounding Hayes and the very different lives they lead.
Like The Love Hypothesis, The Idea of You is a book-to-screen romance with plenty of chemistry, complicated relationships and feelings that don't go according to plan.
🗝️ The Love Hypothesis Movie FAQ
Is The Love Hypothesis movie on Prime Video?
Yes. The Love Hypothesis begins streaming globally on Prime Video on September 23, 2026.
Where can I watch The Love Hypothesis movie?
You can watch The Love Hypothesis on Prime Video beginning September 23, 2026.
Is The Love Hypothesis movie based on a book?
Yes. The Love Hypothesis movie is based on Ali Hazelwood’s bestselling romance novel of the same name.
Who stars in The Love Hypothesis movie?
The movie stars Lili Reinhart as Olive Smith and Tom Bateman as Adam Carlsen. Rachel Marsh, Nicholas Duvernay, Jaboukie Young-White and Arty Froushan also appear in the cast.
Who plays Olive in The Love Hypothesis?
Lili Reinhart plays Olive Smith, the Ph.D. candidate at the centre of the story.
Who plays Adam in The Love Hypothesis?
Tom Bateman plays Dr. Adam Carlsen, the intimidating professor who enters into a fake relationship with Olive.
Who directed The Love Hypothesis movie?
The Love Hypothesis was directed by Claire Scanlon. The screenplay was written by Sarah Rothschild and is based on Ali Hazelwood’s novel.
What is The Love Hypothesis movie about?
The Love Hypothesis follows Olive Smith, a Ph.D. candidate who enters into a fake relationship with intimidating professor Adam Carlsen. What begins as a plan to convince Olive’s best friend that she has moved on soon becomes more complicated as Olive and Adam develop real feelings for each other.
What genre is The Love Hypothesis?
The Love Hypothesis is a romantic comedy based on Ali Hazelwood’s bestselling romance novel.
Can I watch The Love Hypothesis without reading the book?
Yes. You don't need to read Ali Hazelwood’s novel before watching the movie. However, if you enjoy comparing books with their screen adaptations, you may want to read The Love Hypothesis first.
Is The Love Hypothesis part of a book series?
No. The Love Hypothesis is a standalone novel, although Ali Hazelwood has written several other romance novels set in the world of STEM and academia.
Looking for your next book-to-screen adaption to watch? Browse my book recommendations.
