Two years on from saving Gallifrey, John Hurt's War Doctor returns in a special clip from Big Finish's upcoming box set.

Materialising in December 2015, Doctor Who – The War Doctor 1: Only the Monstrous sees John Hurt return as the Doctor's secret incarnation, back in action on the front lines of the Last Great Time War.

In celebration of Doctor Who's 52nd Anniversary, you can hear a special preview of the opening battle of the series, where the War Doctor prepares to make the ultimate sacrifice to save Bennus (Kieran Hodgson) and Averton (Barnaby Edwards) from a Dalek attack!

Click the SoundCloud player below to listen now:

Available to pre-order today, this four-disc box set is written by Big Finish executive producer Nicholas Briggs and co-stars Jacqueline Pearce, Lucy Briggs-Owen, Carolyn Seymour, Beth Chalmers, Alex Wyndham, Mark McDonnell and John Banks.

You can pre-order Doctor Who – The War Doctor 1: Only the Monstrous separately, or as part of the Time War Saga bundle. The bundle contains all four box sets from the War Doctor series, along with the five-disc prequel Doctor Who - The Eighth Doctor: The Time War - starring Paul McGann. As with almost all Big Finish website CD purchases, there is a download copy instantly and exclusively available upon the release of each box-set.