The Revenants (audio story)

 was a free Companion Chronicle audio story released with a code in DWM 448. It is also available with the limited edition of Big Finish's 50th anniversary release: The Light at the End.

Publisher's summary
The present day: the Orkney Ferry, where Ian Chesterton meets a stranger whom he can confide in. Decades earlier: the TARDIS lands on Orkney and Ian and Barbara are abandoned when the Doctor and his ship vanish in front of their eyes. As the pair head for civilisation, something is stirring in the treacherous bog lands. Only the ancient Wissfornjarl can protect them...

Characters

 * Ian Chesterton - William Russell
 * Jeannie/Janet McKay - Sharon Small

Continuity

 * Ian tells Jeannie how he and Barbara came to be aboard the TARDIS. (TV: An Unearthly Child)
 * Ian mentions that Susan had recently left the TARDIS after falling in love with David Campbell in the 22nd century. (TV: The Dalek Invasion of Earth)
 * Ian refers to the fact that he once came across a sea of acid on Marinus. (TV: The Keys of Marinus)
 * The Doctor reminds Ian that they have experienced psychic abilities before on the Sense Sphere. (TV: The Sensorites)

Releases

 * The Revenants was available to readers of Doctor Who Magazine who went to the Big Finish website and entered a code to be found within the magazine. The digital download offer was only available from June to October 2012. (DWM 448)
 * Doctor Who Magazine listed the offer's expiration date as 31 August 2012. However, it was pointed out that overseas delivery of the magazine could be very slow, so the deadline was extended to 31 October 2012. (Big Finish Podcast, 18 July 2012, 34:00)