On Hallowe’en, all across the universe, terrifying forces are stirring.
From the Arctic Circle to deep space, an ancient evil is breaking free. And in present day Liverpool, the life of Dan Lewis is about to change forever.
Why is the Doctor on the trail of the fearsome Karvanista? And what is the Flux?
Watch L&C’s fantastic new artist Steve Oram as Liverpool’s famous ‘mad mole’ tunnel builder Joseph Williamson in ‘Doctor Who – Flux’ from Sunday 31st October, 6.25pm, BBC1