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The Eight Truths was the seventh story in the third series of the Eighth Doctor Adventures, produced by Big Finish Productions. It was written by Eddie Robson and featured Paul McGann as the Eighth Doctor and Sheridan Smith as Lucie Miller.

This is the first story to feature the Eight Legs since the 1999 short story Return of the Spiders. They were first introduced in Jon Pertwee's final Doctor Who television story, Planet of the Spiders, broadcast in 1974.

The story continues in Worldwide Web.

Publisher's summary[]

London, 2015. The Doctor's looking for a lost space probe. Lucie Miller's feeling just plain lost, on a world she no longer quite belongs to.

Perhaps there's someone who can help. A chance encounter with an old sparring partner leads Lucie to the Eightfold Truth — a bunch of crystal-bearing cranks who reckon a rebel sun is on its way to purge the Earth. As if!

But what if they're right?

The apocalypse is upon us. As humankind counts down the last days of its existence, the Doctor races to unmask the Eightfold Truth — and uncovers an old and deadly enemy.


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  • In 2015, relations between the United States and Cuba remain tense.
  • The Eightfold Truth was founded by Clark Goodman in 1987. It has 244 million members worldwide. Its membership has increased fivefold since 2010. Its headquarters, known as the Centre of Balance, is the former BBC Television Centre, which they purchased three years earlier, in 2012.
  • The United Kingdom's space programme is fully operational but retains an reputation for amateurism.
  • The Doctor uses his UNIT credentials to gain access to the information about the space probe.


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