Best Interests poster
Where to stream

Best Interests

6.620231 season15TV SeriesDrama

Marnie has a life-threatening condition. The doctors believe it is in her best interests to be allowed to die, but her loving family disagree. And so begins a fight that will take them through every stage of a legal process, as they…

DirectorMichael Keillor
WriterJack Thorne
ProducersJenny Frayn·Jack Thorne

Where to watch

NetflixNetflixSky GoSky GoNetflix Standard with AdsNetflix Standard with AdsBBC iPlayerBBC iPlayer
Availability shown for United Kingdom · rights vary by country

Seasons & Episodes

E1
Episode 1
Jun 12, 2023 6.8
E2
Episode 2
Jun 13, 2023 6.8
E3
Episode 3
Jun 19, 2023 6.7
E4
Episode 4
Jun 20, 2023 7.2

Cast · Directed by Michael Keillor

SHSharon Horgan
Sharon Horgan
Nicci
MSMichael Sheen
Michael Sheen
Andrew
AOAlison Oliver
Alison Oliver
Katie
NM
Niamh Moriarty
Marnie
NDNoma Dumezweni
Noma Dumezweni
Samantha
CAChizzy Akudolu
Chizzy Akudolu
Mercy
DM
Des McAleer
Eddie
GBGary Beadle
Gary Beadle
Frank
JMJack Morris
Jack Morris
Tom
PHPippa Haywood
Pippa Haywood
Judge Spottiswood
SZShane Zaza
Shane Zaza
Fred
LMLucian Msamati
Lucian Msamati
Derek

More from Sharon Horgan · Lead actress

Adventure Time
Adventure Time
2010 · 8.5
Bob's Burgers
Bob's Burgers
2011 · 7.8
BoJack Horseman
BoJack Horseman
2014 · 8.5
Adventure Time: Fionna and Cake
Adventure Time: Fionna and Cake
2023 · 8.7
Bad Sisters
Bad Sisters
2022 · 7.5
The Twisted Tale of Amanda Knox
The Twisted Tale of Amanda Knox
2025 · 6.7
Playhouse Presents
Playhouse Presents
2012 · 6.0
Game Night
Game Night
2018 · 6.8
Criminal: UK
Criminal: UK
2019 · 7.2
Mr. & Mrs. Smith
Mr. & Mrs. Smith
2024 · 6.6
See all fromSharon Horgan

More from Michael Sheen · Co-star actor

The Simpsons
The Simpsons
1989 · 8.0
Doctor Who
Doctor Who
2005 · 7.6
The Sandman
The Sandman
2022 · 7.8
30 Rock
30 Rock
2006 · 7.5
Good Omens
Good Omens
2019 · 8.0
The Good Fight
The Good Fight
2017 · 7.6
Kingdom of Heaven
Kingdom of Heaven
2005 · 7.1
Alice in Wonderland
Alice in Wonderland
2010 · 6.6
Masters of Sex
Masters of Sex
2013 · 7.1
The Twilight Saga: New Moon
The Twilight Saga: New Moon
2009 · 6.0
See all fromMichael Sheen

More from Michael Keillor · Director

Holby City
Holby City
1999 · 5.8
EastEnders
EastEnders
1985 · 4.2
Shameless
Shameless
2004 · 7.5
Doctors
Doctors
2000 · 4.8
Line of Duty
Line of Duty
2012 · 8.2
The Bill
The Bill
1984 · 6.8
Silk
Silk
2011 · 7.5
Dream Team
Dream Team
1997 · 7.5
Strike
Strike
2017 · 7.2
Mr Selfridge
Mr Selfridge
2013 · 6.9
See all fromMichael Keillor

More like this

Parenthood
Parenthood
2010 · 7.5
Brothers and Sisters
Brothers and Sisters
2006 · 7.1
Sullivan's Crossing
Sullivan's Crossing
2023 · 8.1
The Guardian
The Guardian
2001 · 7.0
Burden of Truth
Burden of Truth
2018 · 7.4
Offspring
Offspring
2010 · 6.9
Smother
Smother
2021 · 6.5
Joan
Joan
2024 · 6.6
Empire
Empire
2015 · 7.1
SkyMed
SkyMed
2022 · 6.7
Tyler Perry's The Oval
Tyler Perry's The Oval
2019 · 8.2
Hill Street Blues
Hill Street Blues
1981 · 7.6

Best Interests — streaming FAQ

Which OTT platform streams Best Interests?

Best Interests is streaming on Netflix, Sky Go and Netflix Standard in United Kingdom, and available to rent or buy on Apple TV Store and Amazon Video.

Is Best Interests on Netflix?

Yes — Best Interests is available on Netflix in United Kingdom as of September 2026.

Is Best Interests on Amazon Prime Video?

Best Interests isn't included with a Prime Video subscription in United Kingdom, but you can rent or buy it on Amazon Video.

Where can I watch Best Interests for free?

Best Interests is available to stream free (with ads) on BBC iPlayer in United Kingdom.

How many seasons are in Best Interests?

Best Interests has 1 season in total (4 episodes). The series concluded in 2023.

Are all episodes of Best Interests out yet?

Yes — all 4 episodes across 1 season of Best Interests are out and available to stream.

Is there a Season 2 of Best Interests?

No — Best Interests ended after 1 season, so there is no Season 2.