The Doctor investigates mysterious psychic phenomena while his companion Sarah gets drawn into an investigation of bizarre happenings at a local meditation retreat, uncovering secrets that connect to something far more sinister.
Directed by Barry Letts. Written by Robert Sloman and Barry Letts. Starring Jon Pertwee, Elisabeth Sladen, and Nicholas Courtney.
Directed by Barry Letts. Written by Robert Sloman and Barry Letts. Starring Jon Pertwee, Elisabeth Sladen, and Nicholas Courtney.