Doctor Who (1963) Season 14 Episode 18 The Robots of Death (2)

The Doctor and his companion Leela travel to a giant spacecraft that is travelling across the desert planet of Kaldor. They soon discover a murder has taken place and suspect the culprit could be one of the robots on board. As they investigate further, they realise the robots are more advanced than they first thought, capable of independent thought and programmed to obey the commands of their human masters. The Doctor comes face to face with the ruthless and power-hungry Commander Uvanov and his team of mining crew members, who are desperate to protect their mission at any cost. With time running out and the body count rising, the Doctor and Leela must unravel the mystery before it's too late and they become the next victims of the Robots of Death.