

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…
Drama • Series • 2023 • 1 season
Starring: Sharon Horgan, Michael Sheen, Alison Oliver
Created by: Jack Thorne

S1 E1 - Episode 1
As Marnie's health deteriorates, doctors say it's in her best interests to stop care. Defiant, her parents prepare to fight their decision. But doubt soon grows — what is right?
Jun 12, 2023 • 57m

S1 E2 - Episode 2
Andrew wavers, finding himself at odds with Nicci. With their relationship under pressure, Nicci turns to a surprising place for help. Meanwhile, Katie is torn between her parents.
Jun 13, 2023 • 58m

S1 E3 - Episode 3
Nicci's campaign becomes national news, causing trouble for Katie. Andrew doubts his choice to leave. With court looming, Nicci’s team need evidence. How far will she go to win?
Jun 19, 2023 • 56m

S1 E4 - Episode 4
In court, hope for Nicci’s case, and a surprising victory, grows. Andrew is confronted about his past behavior. As the verdict nears, who will get to decide Marnie’s future?
Jun 20, 2023 • 58m
Best Interests
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 struggle to contemplate this huge decision. Who decides? And in whose best interests will it be?
Drama • TV Series • 2023