Wales, the near future. While the Doctor finally gets to visit Metebelis Three, Jo and UNIT investigate a spate of strange deaths near Global Chemicals' plant. What effect has the company's toxic waste had on the local wildlife...?
Elenco:
William Hartnell
,
Patrick Troughton
,
Jon Pertwee
,
Tom Baker
,
Peter Davison
,
Colin Baker
,
Sylvester McCoy
.