From TARDIS Index File, the free Doctor Who reference.

For the novel of the same name, see The Time Machine.

Publisher's Summary

In this special BBC schools radio episode, not heard since its original 1976 broadcast, the TARDIS takes the 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!

Cast & Characters

• The Doctor - Tom Baker
• Sarah Jane Smith - Elisabeth Sladen
• Megron - John Westbrook

References

to be added

Notes

• This story was originally broadcast as the third episode of the BBC Radio educational series Exploration Earth.
• Although not the first Doctor Who audio drama (that distinction belongs to Doctor Who and the Pescatons), it is the first made-for-radio adventure, the next, Slipback, would not air until 1986.

Continuity

• As with all other made-for-radio and other audio adventures, the canonicity of The Time Machine remains unclear.

Timeline

• This story occurs after ST: Old Flames
• This story occurs before DW: The Hand of Fear

Other releases

• As a cassette from the BBC Radio Collection, paired with the audio adaptation of Genesis of the Daleks. (Released under the variant title Exploration Earth.)

External Links

• The Doctor Who Reference Guide detailed synopsis of The Time Machine
• The Discontinuity Guide The Time Machine page
• The Time Machine transcript