X+Y poster
Where to stream

X+Y

6.720151h 51m14AMovieDrama

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
ProducersLaura Hastings-Smith·David M. Thompson

Where to watch

Amazon Prime VideoAmazon Prime VideoJustWatch TV PlusJustWatch TV PlusAmazon Prime Video with AdsAmazon Prime Video with AdsJustWatch TV FreeJustWatch TV FreeHooplaHooplaTubi TVTubi TVPlexPlex
Availability shown for Canada · 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
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Merlin
Merlin
2008 · 7.8
Ashes to Ashes
Ashes to Ashes
2008 · 7.7
Thunderbirds Are Go!
Thunderbirds Are Go!
2015 · 6.2
The Boy in the Striped Pyjamas
The Boy in the Striped Pyjamas
2008 · 7.8
Unchosen
Unchosen
2026 · 6.8
50 States of Fright
50 States of Fright
2020 · 7.2
Miss Peregrine's Home for Peculiar Children
Miss Peregrine's Home for Peculiar Children
2016 · 6.8
Ender's Game
Ender's Game
2013 · 6.6
Gnomes
Gnomes
2026 · 8.7
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 · 7.9
Prometheus
Prometheus
2012 · 6.6
Trying
Trying
2020 · 7.6
The Big Short
The Big Short
2015 · 7.4
Smoke
Smoke
2025 · 6.1
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
Bait
Bait
2026 · 6.6
See all fromRafe Spall

More from Morgan Matthews · Director

500 Miles
500 Miles
2026 · 6.7
Gypsy Boy
Gypsy Boy
The Railway Children Return
The Railway Children Return
2022 · 6.5
When Harry Left Hogwarts
When Harry Left Hogwarts
2011 · 7.2
Williams
Williams
2017 · 7.4
Britain in a Day
Britain in a Day
2012 · 6.7
This Was My Dad: The Rise & Fall of Geoffrey Matthews
This Was My Dad: The Rise & Fall of Geoffrey Matthews
2017 · 6.0
Shooting Bigfoot
Shooting Bigfoot
2013 · 6.8
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
The Unbreakable Boy
The Unbreakable Boy
2025 · 7.9
The Imitation Game
The Imitation Game
2014 · 8.0
The Life of Chuck
The Life of Chuck
2025 · 7.3
Pi
Pi
1998 · 7.1
Extremely Loud & Incredibly Close
Extremely Loud & Incredibly Close
2011 · 7.0
I Never Sang for My Father
I Never Sang for My Father
1970 · 6.7
Still Alice
Still Alice
2014 · 7.5
Dad
Dad
1989 · 6.4
Finding Neverland
Finding Neverland
2004 · 7.3

X+Y — streaming FAQ

Which OTT platform streams X+Y?

X+Y is streaming on Amazon Prime Video, JustWatch TV Plus and JustWatch TV Free in Canada, and available to rent or buy on Apple TV Store and CosmoGo. It's not currently on Netflix.

Is X+Y on Netflix?

No, X+Y is not on Netflix in Canada as of October 2026. It's currently on Amazon Prime Video and JustWatch TV Plus.

Is X+Y on Amazon Prime Video?

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

Where can I watch X+Y for free?

X+Y is available to stream free (with ads) on JustWatch TV Free and Hoopla in Canada.

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).