The second season will act as both prequel and sequel to the first, as Gideon's true intentions are finally revealed and he attempts to involve Lucy in his mission to stop an elusive force of evil.
The drama stars Jessica Raine, Peter Capaldi, Nikesh Patel, Phil Dunster, Meera Syal and Benjamin Chivers.
Tom Moran created the drama. He executive produces with Steven Moffat and Sue Vertue. Hartswood Films produces.
"We're thrilled with the audience response to The Devil's Hour and can't wait to share the next chapter of this mind-bending story," said Dan Grabiner, Head of UK Originals, Amazon Studios.
