Hundreds of thousands of years ago, the Time Lords of Gallifrey began exploring space and time with their new TARDIS technology. The first alien race they encountered were the Minyans, who treated the Time Lords as gods. In return, the Time Lords gave medical and scientific help, until the Minyans became advanced enough to reject the Time Lords and renounce their former gods. The war that followed destroyed the planet Minyos, and set the Time Lords foreveron the path of non-interference with the affairs of the universe.
Before Minyos was totally destroyed, a single lone ship – the P7E – escaped, carrying with it the future of the Minyan species, locked into its onboard Race Bank. But the P7E disappeared into deep space and was lost without trace…
The last of the Minyans embarked on a Quest to recover the lost Race Banks. The quest would bring the Minyans into contact with the Time Lords of Gallifrey once more. One Time Lord in particular, to be precise. A renegade Time Lord known as The Doctor…
This story was originally broadcast on BBC1 between 7 January 1978 – 28 January 1978.
Underworld was the fifth episode of season 15