The Antarctic, the near future. A strange seed-pod is unearthed from 20-thousand-year-old ice. The Doctor and Sarah go to investigate, but are too late to prevent the pod infecting a scientist and unleashing a threat to all animal life on Earth...
| Creator | C. E. Webber |
|---|---|
| Actor | Sylvester McCoy, Sophie Aldred |
| Country | United Kingdom |
| Production | BBC |