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Exploration Earth (audio story)

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Exploration Earth: The Time Machine
Exploration Earth
Doctor: Fourth Doctor
Companion(s): Sarah
Main enemy: Megron
Main setting: Earth, the distant past
Key crew
Writer: Bernard Venables
Producer: David Little
Release details
Premiere broadcast: 4 October 1976
Premiere network: BBC Radio
Format: 1xCD
ISBN 0-563-47857-8

Exploration Earth: The Time Machine was the first broadcast radio drama in the Doctor Who franchise. Along with Doctor Who and the Pescatons, it was one of only two occasions on which Elisabeth Sladen appeared alongside Tom Baker in a Doctor Who audio play.

As the third episode of the BBC Schools radio series Exploration Earth, it formed part of a study module about geography. It used the Doctor Who format and elements to explore the processes of the creation of the Earth. The subtitle The Time Machine was never spoken on-air nor used on packaging from the BBC Audio release. However, it was almost certainly used in Radio Times listings, teacher's guides and other contemporary internal documents as a way to distinguish this episode of Exploration Earth from others.

Publisher's summary Edit

The TARDIS takes the Fourth Doctor and Sarah back in Time to witness stages of the Earth's development. However, as the planet evolves from a mass of heat and gas, Megron the High Lord of Chaos has his own designs on our homeworld. If his threats to endanger the stability of Earth have any substance, the existence of mankind itself is in question!

Plot Edit

The Doctor notices a fault with the TARDIS controls. After mumbling some technobabble ("No response... jelly baby... reciprocator cancel..."), he simplifies things for Sarah: the steering's gone out. A force has gripped the TARDIS and thrown it back forty-five hundred million years into Earth's past. Once they arrive, they get into a two-person space capsule and explore the nascent Earth, which is currently an oxygen-less ball of gas. The Doctor points out that at the centre of all that gas is a molten core which will form the planet Sarah knows as Earth.

The two return to the orbiting TARDIS and are controlled again by the mysterious force. This time it drags them millions of years in the future. They return to the capsule to view what has become of the Earth since they last looked upon it. Now, the planet is much smaller, closer to the size Sarah knows. It is considerably more solid, the Doctor notes - its crust rapidly forming. While they are examining the planet's geologic fury, they hear a disembodied voice. It's Lord Megron, "High Lord of Chaos, Chief of the Carions and Lords of Chaos", claiming he has taken control of Earth. The Megron have been attracted to Earth at this point in its history because they believe the planet's geologic formation is an expression of chaos and disharmony. When the Doctor points out that it's actually a sign of progress and coming order, the Megron disappears, blowing the duo back into the TARDIS and further down the time vortex.

The Doctor and Sarah are thrown yet more millions of years forward. Sarah now can't help but notice the many volcanoes dotting the surface of the planet. She is profoundly disturbed by the violence they seem to be meting out on the surface of the Earth, but the Doctor finds it beautiful. He lets her look through a device that shows the history of the planet passing before her eyes, to show her the cause and effect of volcanic activity and plate tectonics. She's physically sickened by it all, but the Doctor continues to enthuse about the creative spectacle. Finally, when she sees a mountain range form before her eyes, Sarah begins to get excited by the process as well. The Doctor points out that this is the beginning of true order on the planet. The Megron returns, but he's still not buying the Doctor's claims that the planet is emerging from chaos. The Doctor counters that the planet is no longer exclusively using space gases: a little oxygen is sustained on the planet itself. The Megron still tries to deny things.

Back in the TARDIS, the duo have moved on to a point when the Earth has an atmosphere and life. Oxygen is in abundance on the Earth. Yet the Megron is still there. The Doctor challenges him to a telepathic duel. The Megron loses and the Doctor banishes him from Earth. The Doctor and Sarah say "Bye bye" to the Megron, as well as to chaos itself.

Cast Edit

Crew Edit

No other individuals were actually credited on-air at broadcast.

References Edit

to be added

Notes Edit

(Doctor Who theme plays)
Yes, in this week's 'Exploration Earth' we join the Doctor and Sarah as they journey through time in the TARDIS.
The closing announcement was:
(Closing theme plays)
That programme was written by Bernard Venables. Those taking part were Tom Baker, Elisabeth Sladen and John Westbrook. The Special Sounds were by Dick Mills of the BBC Radiophonic Workshop. The production was by David Little.

Continuity Edit

  • The earliest scene in this production seems to take place after the earliest scene in TV: The Runaway Bride. That is, the Doctor and Sarah arrive after gravity had pulled the core of the planet together. Thus, this play does nothing to upset the Doctor and Donna's discovery of a Racnoss spaceship at the centre of the planet.

Releases Edit

Exploration Earth was released as a cassette and CD from the BBC Radio Collection, paired with the audio adaptation of Genesis of the Daleks, on 2 July 2001

It was released again this time as a stand-alone CD release as part of the Daily Telegraph/WH Smith 2010 giveaway on 28 April 2010.

One scene from this play was excerpted on Doctor Who at the BBC.

External links Edit

StubTab

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