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The film guide

The Love Hypothesis

2026 · Comedy · Romance

Score pendingMovie of the NightAggregated from multiple sources.

PhD candidate Olive Smith improvises a romantic distraction to help a friend, then finds herself maintaining a pretend relationship with intimidating professor Adam Carlsen. Rules make the arrangement seem manageable until feelings become harder to classify. Lili Reinhart and Tom Bateman star in Claire Scanlon's adaptation of Ali Hazelwood's academic romantic comedy.

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Director
Claire Scanlon
Starring
Lili Reinhart, Tom Bateman, Rachel Marsh, Nicholas Duvernay
IMDb
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A reason to be curious

Why it may suit you.

Readers who enjoy the fake-dating trope have a direct reason to investigate this adaptation. The academic setting adds career pressures to an already awkward agreement, making it a suitable choice when you want romance driven by a plan that becomes emotionally inconvenient.

Romantic comedyFake-dating storiesAli Hazelwood readers

A pretend relationship with very real consequences

Olive Smith wants to reassure her friend Anh that she has moved on from Jeremy. An impulsive kiss with professor Adam Carlsen produces a solution that quickly becomes a new problem: maintaining a relationship other people believe is real. Rules and mutual benefits seem to make the arrangement manageable, at least while both participants can describe it as a performance.

The complication is that a public explanation can begin to shape private behaviour. Spending time together, responding to other people's assumptions and deciding which boundaries matter all create experiences that are real even if the original agreement was not romantic. Olive's academic confidence does not automatically supply a clear method for interpreting those feelings.

The academic world and the cast

Lili Reinhart plays Olive and Tom Bateman plays Adam. Rachel Marsh appears as Anh Pham, Nicholas Duvernay as Jeremy Langley and Jaboukie Young-White as Malcolm Browne. Claire Scanlon directs from Sarah Rothschild's screenplay, adapting Ali Hazelwood's novel. The setting is academia, with Olive pursuing a PhD and Adam holding a professor's position.

That professional context adds another layer to the familiar fake-dating premise. Reputation, hierarchy and future opportunities exist alongside friendship and attraction. The film is a fictional romance, so its depiction of those relationships should not be treated as guidance about how real academic workplaces ought to handle conflicts or professional boundaries.

For readers and romantic-comedy viewers

The US classification is R. Choose it for an adult audience that enjoys a relationship beginning with an agreement the characters expect to keep under control. Reading the novel first is optional; newcomers can understand the core arrangement without knowing the later complications.

A useful conversation afterwards is whether rules make an emotionally uncertain situation safer or simply postpone the difficult discussion. Another concerns what Olive can learn through observation and what she must actually ask Adam. The scientific language of the title gives those questions a playful frame, while the romance depends on the possibility that another person's feelings cannot be guaranteed in advance.

The essentials

Film facts.

Release year
2026
First listed release
23 Sep 2026
Format
Feature film
Genres
Comedy · Romance
Director
Claire Scanlon
Original language
English
Screenplay
Sarah Rothschild
Based on
The Love Hypothesis by Ali Hazelwood
Story setting
An academic research environment
US classification
R
People behind the story

Cast & characters.

  • Lili Reinhartas Olive Smith
  • Tom Batemanas Adam Carlsen
  • Rachel Marshas Anh Pham
  • Nicholas Duvernayas Jeremy Langley
  • Jaboukie Young-Whiteas Malcolm Browne
  • Arty Froushanas Thomas Benton

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Sources behind this guide.

Our story introductions and viewing notes are written for WhoStreamsIt using the factual sources below. They offer spoiler-light context to help you choose your next watch.

Included using FlixPatrol: Prime Video worldwide movie chart · position 3 in that source. This is not a worldwide cross-platform ranking.

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Artwork © its respective rights holder. Poster via Movie of the Night.