Doctor Who: The Newbies Guide

The Invisible Enemy

This is the second story in Season 15.


The Fourth Doctor dresses in a rather bohemian outfit, notable for its long scarf. He is somewhat alien, willing to play the fool, and almost never gets on with authority figures.


Leela is a member of the Tribe of Sevateem. They are descendants of human colonists who were bred for physical prowess and lived in a technologically primitive society. Leela is inclined to violent solutions to problems. She carries a knife and a deadly plant called a Janis Thorn.

K9 is a new character. This is his first appearance.

Recurring and Historical Characters





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