The Time Lords send The Doctor and Jo Grant to a bleak Earth-type planet, in the year 2471. The Master has stolen The Doomsday Machine file from the Matrix.
THE CREATURE FROM THE PIT 1.
On the planet Chloris, metal is scarce. Without metal to make the tools needed to keep the jungle under control, the lush plant life dominates.
The Doctor is captured by the power-hungry Lady Adrasta, who needs his scientific skills.
And lurking in the pit of the last metal mine on Chloris...The Creature...