Welcome to Tantane Spaceport – where the tribes of Business and Economy have been at war for all of four hundred years... Welcome to Tantane Spaceport – where a terrible creature called the Wailer prowls the corridors around the Control Tower, looking to eat the unwary... Welcome to Tantane Spaceport – where there is one Arrival: a battered blue Police Box containing the time-travelling Doctor and his companion, Mel... Welcome to Tantane Spaceport – where there are no Departures. Ever.