# Release of ‘The Love Hypothesis’ film adaptation

> Live situation record from CLSTR: https://clstr.news/situations/release-of-the-love-hypothesis-film-adaptation
> Updated: 2026-09-07T15:17:31.000Z. Sources: 7. Developments: 2.

The film adaptation of Ali Hazelwood’s romance novel, ‘The Love Hypothesis’, is set to premiere on Prime Video on September 23, 2026. Directed by Claire Scanlon, the production stars Lili Reinhart and Tom Bateman as two scientists, Olive Smith and Adam Carlsen, who enter into a fake relationship.

During promotional activities and a press tour in Brazil, the actors engaged with local fans by practicing lines in Portuguese. Reinhart also drew media attention for wearing a butter-yellow silk dress inspired by a gown from the film ‘How to Lose a Guy in 10 Days’.

## Timeline

### 2026-09-07: Lili Reinhart to star in ‘The Love Hypothesis’ film adaptation

Lili Reinhart and Tom Bateman will star in the film adaptation of ‘The Love Hypothesis’, arriving on Prime Video in September 2026. Reinhart also recently honored film history with a yellow gown tribute.

3 sources. https://clstr.news/cluster/lili-reinhart-to-star-in-the-love-hypothesis-film-adaptation

### 2026-09-01: Lili Reinhart and Tom Bateman star in ‘The Love Hypothesis’

Lili Reinhart and Tom Bateman star in the Prime Video adaptation of Ali Hazelwood’s romance novel ‘The Love Hypothesis’, a story inspired by fan fiction and set at Stanford University.

4 sources. https://clstr.news/cluster/the-love-hypothesis-film-adaptation-to-premiere-on-prime-video

---
Cite as: Release of ‘The Love Hypothesis’ film adaptation. CLSTR, https://clstr.news/situations/release-of-the-love-hypothesis-film-adaptation