Planet Krynoid: Sunlight (excerpt)

For a hundred years, Sunlight has been a beacon of hope shining across a troubled galaxy, an artificial paradise on a frozen world offering safe haven for the super-rich, and employment for even the poorest of labourers. At least, that's what the adverts say.

Unfortunately for Governor Robert Hodan, one of his engineers has just discovered a pair of strange-looking pods lodged in a satellite. So Sunlight, that glittering verdant oasis, will never be the same again.

Because, as the Doctor knows only too well, on planets where the Krynoid gets established, the vegetation eats the animals...