This is a Big Finish Productions audio trailer, as made publicly available at http://www.bigfinish.com. It is provided in an unaltered fashion, save for a slight change in the filename, and the conversion of the native .mp3 format to .ogg, as is required by the software underpinning this wiki.
Copyright for it is ultimately owned by BBC Worldwide through licenses extended to Big Finish. Repurposing or alteration of this file may constitute copyright infringement. Written permission to upload this file to Tardis Data Core, as hosted on servers in the United States by Wikia, Inc, for the purposes of improving coverage of Big Finish-related subjects, has been obtained from Big Finish Productions.