BritBox represents the best of British television (and movies). A joint venture between the BBC and ITV, BritBox has access to thousands of hours of premium British programming. Here, we take a look at what's coming to the platform in September 2025.
The complete Downton Abbey, a dinosaur documentary, a Sharon Horgan masterpiece, and mystery-solving in Wales. All of this and more, are coming to BritBox in September.
Here's a list of everything that's coming to BritBox in September. Content highlights are shown in bold below.
Available 1 September
Richard Osman’s House Of Games - New Season (Season 3)
2 September
Death Valley - New Series (Season 1)
10 September
Dinosaur Apocalypse - New Documentary Series
12 September
Downton Abbey - Complete Series (Seasons 1-6)
17 September
Mrs Brown’s Boys - Complete Series (Seasons 1-4)
18 September
Grace - New Season (Season 5)
23 September
Penguins: Meet The Family - New Film
24 September
The King’s Guard: Serving The Crown - New Documentary Series
26 September
This Way Up - Complete Series (Seasons 1-2)
30 September
Would I Lie To You - New Season (Season 17)
