Doctor Who: Sick Building

On Tiermann's World, a planet of icy woods and savage beasts, the Doctor warns the Tiermann family of an approaching catastrophe from a voracious alien creature called the Voracious Craw. As their futuristic, fully-automated Dreamhome faces the threat of destruction, escalating tensions threaten their safety and survival. Featuring the Doctor and Martha, this story unfolds amidst a desperate fight to escape impending doom.