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The Magician's Oath was the tenth story of the third series of The Companion Chronicles, produced by Big Finish Productions. It was written by Scott Handcock, narrated by Richard Franklin and featured the Third Doctor, Jo Grant, Brigadier Lethbridge-Stewart, Captain Yates, Sergeant Benton and UNIT.

Publisher's summary[]

"You must never tell. Not a soul. That's the magician's oath."

A heatwave in July and a tube train is discovered buried in twenty inches of snow. A Saturday afternoon in Hyde Park and scores of people are instantly frozen to death where they stand while the sun beats down from the sky. Freak weather conditions in London, and the Doctor and UNIT are called in to find the cause.

Meanwhile, a street magician, who was witnessed at the scene of the tragedy, entertains crowds in Covent Garden. As Jo Grant and Mike Yates disobey orders and investigate alone, they discover an enemy with terrifying powers. And they may not live to share his secrets...


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  • Mike met up with Jo Grant recently.
  • One Saturday afternoon in July during the 1970s, Hyde Park completely froze over over the course of several minutes.
  • The Doctor attempted to revive several of the frozen Hyde Park victims using alien cryogenic technology but his efforts were unsuccessful as they were too far gone.
  • The Doctor drives Bessie.


  • This audio drama was recorded on 13 June 2008 at the Moat Studios.
  • This story is set between The Dæmons and Day of the Daleks.
  • This story is told from Mike Yates' perspective.
  • This story was originally released on CD and download. It is now available as a download only.

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