Where to watch X+Y(2015)
In the United States, X+Y is available to stream on Prime Video. It's also free on The Roku Channel, The CW, Kanopy, Hoopla, Pluto TV, YouTube Free, Plex, Plex Channel, Darkroom, and Tubi TV. You can also rent or buy it on Amazon Video, Apple TV, Google Play, and YouTube.
Where to stream X+Y
Availability in United States
Included with subscription
Prime Video
Free
The Roku Channel
The CW
Kanopy
Hoopla
Pluto TV
YouTube Free
Plex
Plex Channel
Darkroom
Tubi TV
Rent
Amazon Video
Apple TV
Google Play
YouTube
Fandango At Home
Buy
- Amazon Video
- Apple TV
- Google Play
- YouTube
- Fandango At Home
Data updated on October 10, 2026. Availability data from JustWatch.
X+Y plot summary
Is there a formula for love?
Struggling to connect with those around him, a teenage math prodigy trains for the International Mathematical Olympiad, where a budding romance with a fellow contestant breaks through his emotional walls and teaches him that love cannot be calculated.
Details
- Release date
- March 13, 2015
- Runtime
- 1h 51m
- Genres
- Drama
- Directed by
- Morgan Matthews
- Country
- United Kingdom
- TMDB rating
- 6.7 / 10 · 628 votes
X+Y trailer
Cast
Asa ButterfieldNathan Ellis
Rafe SpallMartin Humphreys
Sally HawkinsJulie Ellis
Eddie MarsanRichard
Jo YangZhang Mei
Alex LawtherIsaac Cooper
Alexa DaviesRebecca Dunn
Martin McCannMichael Ellis
Orion LeeDeng Laoshi
Jake DaviesLuke Shelton
FAQ
Where can I watch X+Y?
In the United States, X+Y is available to stream on Prime Video. It's also free on The Roku Channel, The CW, Kanopy, Hoopla, Pluto TV, YouTube Free, Plex, Plex Channel, Darkroom, and Tubi TV. You can also rent or buy it on Amazon Video, Apple TV, Google Play, and YouTube.
Can I rent or buy X+Y?
Yes. In the United States you can rent or buy it on Amazon Video, Apple TV, Google Play, YouTube, and Fandango At Home.
How long is X+Y?
X+Y runs 1h 51m (111 minutes).
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