Dr. Who: The E-Space Trilogy

In an arc that continues over three stories, the TARDIS falls through a CVE into E-Space and arrives on the planet Alzarius. There the inhabitan ts of a crashed Starliner and a group of young rebels called the Outlers, led by a boy named Varsh and including his brother Adric, are being terrorised by a race of Marshmen who emerge from the marshes at a time known as Mistfall.