Exploration Earth (audio story)

200px-Genesis_of_the_Daleks_(audio).jpg Exploration Earth:The Time Machine
{{Infobox NewTV David Lyttle
 * story name     = Exploration Earth:The Time Machine
 * image          =
 * series         = N/A (Aired during series 14)
 * number         = N/A
 * story number   = N/A
 * doctor         = Tom Baker as theFourth Doctor
 * companions     = Elisabeth Sladen as Sarah Jane Smith
 * enemy          = Megron,High Lord Of Chaos
 * setting        = Earth (Different times in history)
 * writer         = Bernard Venables
 * director       = N/A
 * producer       = Mike Howarth
 * broadcast date = 4th October 1976
 * format         = Audio
 * production code = N/A
 * previous story = N/A
 * next story     = N/A