17 April (production)


 * 1964 - "Sentence of Death" was recorded at Lime Grove Studios. (INFO: "Sentence of Death")
 * 2007 - Recording for Valhalla took place at The Moat Studios.
 * 2009 - Big Finish Productions announced it was ending the Short Trips line in book form, since the BBC had not renewed the company's license to issue Doctor Who stories in print.