'Doctor Who' spin-off 'The War Between the Land and the Sea' drops this December
Doctor Who fans, get ready—there's a new spin-off series coming!
The War Between the Land and the Sea premieres in the UK on December 7, 2025, on BBC One and iPlayer.
This five-part show, led by Russell T Davies, brings back the classic Sea Devils as they clash with humans over ocean pollution.
What to know
Even though BBC and Disney are collaborating for the last time on this one, global viewers can catch it on Disney+ in 2026.
The series leans into mature themes and gives a fresh Whoniverse vibe with its focus on environmental issues.
Expect international drama as UNIT's Barclay (Russell Tovey) negotiates with Salt (Gugu Mbatha-Raw), a newly redesigned Sea Devil.
Jemma Redgrave is reprising her role as Kate Lethbridge-Stewart for this modern twist on a classic Doctor Who conflict.