Series 9 of BBC One’s spy drama Spooks is released on DVD next week, featuring commentaries and behind-the-scenes featurettes.

> Buy the Series 9 boxset on Amazon.

Watch cast members Peter Firth (Harry), Richard Armitage (Lucas), Sophia Myles (Beth) and Max Brown (Dimitri) discuss filming the series…

> Follow us on Twitter to get the latest Spooks teasers and reviews first.