Katherine Kelly is their physics teacher Miss Quill and along with four alienated students – Charlie, April, Ram and Tanya – they're charged with a great responsibility by The Doctor to guard against the creatures of nightmare.
These forces want nothing more than to find a way to Earth and take it for their own. As the students prepare for their autumn prom, the school comes under attack from the Shadow Kin, and this is only the beginning…
Class, BBC3, from 10am
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