BritBox is adding all three seasons of Motherland as well as debuting several new series, including Death in Paradise: Season 15.

Check out the list of movies, series and specials coming to BritBox in March 2026 below. In the comments section, let me know which ones you are the most excited to watch.

March 4

Motherland: Seasons 1-3 [New Series]

A working mum navigates a chaotic parent group, an absent husband, and the trials of modern motherhood.
Julia Johnstone (Anna Maxwell-Martin) is left juggling work, kids, and a suddenly hands-off support network — forcing her into the orbit of the local parents group, where she meets fellow working mum Liz, stay-at-home dad Kevin, and the acerbic Amanda. A brutally honest and hilarious binge-worthy comedy about modern parenting.

March 10

  • 8 Out of 10 Cats Does Countdown: Seasons 7-8 [New Series]

Out There: Season 1 [New Series]

A Welsh farmer fights against “county lines” drug dealers to protect his son and farm. Widower Nathan Williams (Martin Clunes) is raising his teenage son on a family farm when criminal gangs begin using the countryside to move drugs and money. As they encroach on his land, Nathan risks everything to defend his family, legacy, and home in this tense drama dubbed the “Breaking Bad of Wales”.

March 17

Her Majesty the Queen: Behind Closed Doors [New Special]

A deep dive into the work Queen Camilla has undertaken around domestic and sexual violence. This intimate documentary follows her advocacy over the course of a year, from meetings with survivors and campaigners to official engagements, exploring the root causes of abuse and what it takes to break the cycle.

March 24

Death in Paradise: Season 15 [Returning Series]

A detective faces new family tensions and a commissioner navigates community trust issues in paradise. DI Mervin Wilson (Don Gilet) continues adjusting to life on Saint Marie while tackling baffling new cases — and trying to connect with newly discovered half-brother Solomon. Commissioner Selwyn Patterson (Don Warrington) also returns, confronting the fallout of his recent absence and working to regain the island’s trust, while the team helps new recruit Sergeant Mattie Fletcher settle in as parts of her past start to surface.

Check out our ‘Now Streaming‘ page to discover what else is available to stream on Stan, Netflix, Disney+, and more in Australia.

[Descriptions provided by BritBox]