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The Acheron Pulse was the one hundred and sixty-sixth story in Big Finish's monthly range. It was written by Rick Briggs and featured Colin Baker as the Sixth Doctor.

It was the second story in a 2012 multi-Doctor trilogy, beginning with the Fifth Doctor and ending with the Seventh Doctor.

Publisher's summary

The planet Cawdor. Deep in the heart of the Drashani Empire.

The Doctor lands thirty years after the Succession of Blood brought Empress Cheni to the throne. For most of her reign there has been peace and prosperity. The Empire flourished. But five years ago, the War came. And nothing was ever the same again. Now the Drashani are at war with the mysterious alien race known as the Wrath, led by the Warlord Tenebris. As more and more planets fall to their advance events are rushing to a head.

What exactly does Tenebris want? What is the secret of the Wrath's weapon, the terrifying Acheron Pulse? As the Doctor races to save an Empire, he may not like the answers he finds.


Part one

to be added

Part two

to be added

Part three

to be added

Part four

to be added




  • This is the first audio drama released in the main range to feature the Sixth Doctor travelling alone since AUDIO: Urgent Calls in April 2007.
  • This audio was recorded on 23 and 24 April 2012.


External links