The Tube: Going Underground

Episode 3 (1x3)

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At Leicester Square station, customer service assistants Ric and Kingsley are faced with crowds of ghosts, ghouls and demons as Halloween partygoers pass through, while the emergency response team is sent to St John's Wood after passengers report hearing gunfire. Meanwhile at King's Cross, engineer Pete leads a massive weekend track-replacement operation, but he and his team hit an unexpected problem.