X+Y poster
Where to stream

X+Y

6.720151h 51mNRMovieDrama

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.

DirectorMorgan Matthews
WritersJames Graham·Morgan Matthews
ProducersDavid M. Thompson·Laura Hastings-Smith

Where to watch

Amazon Prime VideoAmazon Prime VideoAmazon Prime Video with AdsAmazon Prime Video with AdsThe CWThe CWKanopyKanopyHooplaHooplaDarkroomDarkroomThe Roku ChannelThe Roku ChannelPluto TVPluto TVYouTube FreeYouTube FreePlexPlexPlex ChannelPlex ChannelTubi TVTubi TV
Availability shown for United States · rights vary by country

Cast · Directed by Morgan Matthews

ABAsa Butterfield
Asa Butterfield
Nathan Ellis
RSRafe Spall
Rafe Spall
Martin Humphreys
SHSally Hawkins
Sally Hawkins
Julie Ellis
EMEddie Marsan
Eddie Marsan
Richard
JYJo Yang
Jo Yang
Zhang Mei
ALAlex Lawther
Alex Lawther
Isaac Cooper
ADAlexa Davies
Alexa Davies
Rebecca Dunn
MMMartin McCann
Martin McCann
Michael Ellis
OLOrion Lee
Orion Lee
Deng Laoshi
JDJake Davies
Jake Davies
Luke Shelton
PDPaul J. Dove
Paul J. Dove
John
PAPercelle Ascott
Percelle Ascott
Ben Morgan

More from Asa Butterfield · Lead actor

Sex Education
Sex Education
2019 · 8.2
Merlin
Merlin
2008 · 7.8
Miss Peregrine's Home for Peculiar Children
Miss Peregrine's Home for Peculiar Children
2016 · 6.8
The Boy in the Striped Pyjamas
The Boy in the Striped Pyjamas
2008 · 7.8
Thunderbirds Are Go!
Thunderbirds Are Go!
2015 · 6.2
Ashes to Ashes
Ashes to Ashes
2008 · 7.7
Ender's Game
Ender's Game
2013 · 6.6
Nanny McPhee and the Big Bang
Nanny McPhee and the Big Bang
2010 · 6.3
Unchosen
Unchosen
2026 · 6.8
50 States of Fright
50 States of Fright
2020 · 7.2
See all fromAsa Butterfield

More from Rafe Spall · Co-star actor

Black Mirror
Black Mirror
2011 · 8.3
Agatha Christie's Marple
Agatha Christie's Marple
2004 · 7.8
The Big Short
The Big Short
2015 · 7.4
Jurassic World: Fallen Kingdom
Jurassic World: Fallen Kingdom
2018 · 6.5
Life of Pi
Life of Pi
2012 · 7.4
Shaun of the Dead
Shaun of the Dead
2004 · 7.5
Trying
Trying
2020 · 7.6
Hot Fuzz
Hot Fuzz
2007 · 7.6
Prometheus
Prometheus
2012 · 6.6
Bait
Bait
2026 · 6.6
See all fromRafe Spall

More from Morgan Matthews · Director

500 Miles
500 Miles
2026 · 6.3
The Railway Children Return
The Railway Children Return
2022 · 6.5
When Harry Left Hogwarts
When Harry Left Hogwarts
2011 · 7.2
Shooting Bigfoot
Shooting Bigfoot
2013 · 6.8
Gypsy Boy
Gypsy Boy
Britain in a Day
Britain in a Day
2012 · 6.7
Williams
Williams
2017 · 7.4
This Was My Dad: The Rise & Fall of Geoffrey Matthews
This Was My Dad: The Rise & Fall of Geoffrey Matthews
2017 · 6.0
Taxidermy: Stuff the World
Taxidermy: Stuff the World
2005 · 6.5
Beautiful Young Minds
Beautiful Young Minds
2007 · 6.9
See all fromMorgan Matthews

More like this

Proof
Proof
2005 · 6.4
The Man Who Knew Infinity
The Man Who Knew Infinity
2016 · 7.2
Good Will Hunting
Good Will Hunting
1997 · 8.2
I Never Sang for My Father
I Never Sang for My Father
1970 · 6.7
The Imitation Game
The Imitation Game
2014 · 8.0
The Music Never Stopped
The Music Never Stopped
2011 · 7.2
Pi
Pi
1998 · 7.1
23 Blast
23 Blast
2014 · 6.8
Extremely Loud & Incredibly Close
Extremely Loud & Incredibly Close
2011 · 7.0
The Life of Chuck
The Life of Chuck
2025 · 7.3
The Unbreakable Boy
The Unbreakable Boy
2025 · 7.8
Still Alice
Still Alice
2014 · 7.5

X+Y — streaming FAQ

Which OTT platform streams X+Y?

X+Y is streaming on Amazon Prime Video, The CW and Kanopy in United States, and available to rent or buy on Amazon Video and Apple TV Store. It's not currently on Netflix.

Is X+Y on Netflix?

No, X+Y is not on Netflix in United States as of October 2026. It's currently on Amazon Prime Video and The CW.

Is X+Y on Amazon Prime Video?

Yes — X+Y is included with an Amazon Prime Video subscription in United States as of October 2026.

Where can I watch X+Y for free?

X+Y is available to stream free (with ads) on The CW and Kanopy in United States.

Is X+Y based on a true story?

Yes — X+Y is based on true events, dramatising real people and events (some details may be fictionalised for the screen).