Ben Aaronovitch and Andrew Cartmel look back at how Battlefield was commissioned and written, with comments from Sylvester McCoy, Sophie Aldred, Nicholas Courtney, Angela Bruce and Michael Kerrigan.
For the purposes of this list, a "DVD documentary" is one made especially for the Classic Series DVD range. For this reason, things like studio recordings, film trims/inserts and other documentaries featured on DVD releases are not included below.