4K delivers 3840 x 2160 pixels, whereas HD delivers 1920 x 1080p.
Includes interviews with main cast, crew, and guest stars.
Big Finish listeners can also save up to 50% off the Torchwood: Monthly Adventures range.
The issue features contributions from Jodie Whittaker, John Barrowman, Chris Noth, and more.
The comic story had only previously been available to read online.
Revolution of the Daleks will air on New Year’s Day.
“You can keep updating them but the brilliant design endures”, says Chris Chibnall.
Tweet along using the hashtag #BadWolf.
Revolution of the Daleks will air sometime over the festive period on BBC1.
“I was grinning from ear-to-ear by the time the Torchwood theme came in.”
