The Love Hypothesis Movie: BookTok’s Favorite Fake-Dating Romance Is Finally Here

Millions of readers fell for Olive and Adam on the page. Now they’re about to fall for them on screen. The Love Hypothesis, Ali Hazelwood’s viral BookTok sensation, is officially getting the Hollywood treatment — and it’s arriving sooner than you think.

The film stars Lili Reinhart as Olive Smith and Tom Bateman as Adam Carlsen, premiering September 23, 2026, on Prime Video. For the many readers who devoured this romance novel in one sitting, this adaptation has been years in the making.

The Love Hypothesis: Overview

What’s the Story About?

Olive, a Ph.D. candidate, gets tangled in an unplanned fake-dating scheme after her best friend confesses feelings for Olive’s crush. To convince everyone she’s moved on, Olive impulsively kisses moody professor Adam Carlsen — a fake relationship spirals from there, and of course, real feelings creep in fast.

Meet the Cast

Lili Reinhart, best known as Betty Cooper in Riverdale, takes on Olive Smith, while Tom Bateman steps into the shoes of the internet’s most-debated fictional professor, Adam Carlsen. The supporting cast includes Rachel Marsh as Ahn, Nicholas Duvernay as Jeremy, Jaboukie Young-White as Malcolm, and Arty Froushan as Tom.

Will It Stay True to the Book?

Early trailers suggest the film sticks closely to the book’s central fake-dating premise and the signature Olive-Adam chemistry fans fell in love with. With Hazelwood herself on board as executive producer, expect the emotional beats — and that famous kiss — to hit exactly where readers want them to.

Why This Adaptation Matters

Hazelwood’s STEM romance took BookTok by storm back in 2021, becoming a genre-defining hit known for sharp banter and swoony tension. This marks her first-ever book-to-screen adaptation, making it a milestone moment for romance readers everywhere.

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Final Thoughts

Whether you’re a longtime fan of the book or completely new to the Olive-and-Adam universe, The Love Hypothesis looks primed to deliver everything that made the novel impossible to put down. Mark your calendars — September 23 can’t come soon enough.

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