The Tube: Going Underground
       
      The Tube: Going Underground
      Episode 4 (1x4)
      
      : 
      At the busy Bank station, customer service assistants Eamon and Ian face an epidemic of patrons dropping phones, wallets and Oyster cards onto the tracks and must bring trains to a halt to retrieve their belongings. Duty reliability manager Ricky is asked to examine the case of a passenger who complained after a train pulled out even though her clothes were stuck in the doors, while incident response team manager Richie has to redirect travellers at Cannon Street after a man is taken ill.