Here's a look at this coming Saturday's finale episode for the new Doctor Who spin-off 'Class'.
'The Lost' sees our heroes facing an impossible choice. But how far are they prepared to go? Liberated from enslavement, Quill prepares to take her revenge. But they must all reunite when the Shadow Kin return, raging a ruthless, unrelenting war. This time, not everyone will make it out alive. Watch this brand new episode on BBC Three on Saturday, December 3rd from 10am