Transmitted originally: 19 January to 20 January 1984.
The Doctor, investigating the local church discovers Will Chandler, a youth from 1643 has been transported to the present and learns that the Malus, an evil alien war machine has been feeding off the psychic energy of the war games and is controlling Hutchinson. Rediscovered dormant in the church by Verney, the Malus was awakened by Sir George's deranged mind. The Doctor manages to cut off the creature's link to the villagers, but Sir George is killed and the church is destroyed as the Malus destroys itself.
This story has often been seen as taking many of its ideas form the Pertwee story
'The Daemons' from 1971.
The Malus is said to originate from the planet Harkol, in the star system of Rifta.
OTHER FORMATS:
The Fifth Doctor Novelisations