Episode 25 (S04E01)

Hotel Babylon is on the brink of shutting down. In a last-ditch effort, Tony tries to convince an Asian investor to save the hotel, but things take a turn for the worse when he declines to meet the investor's terms. At the same time, a terror alert causes widespread panic throughout Central London, leading a frantic crowd to seek shelter inside the hotel. The staff work seamlessly together under pressure, impressing a millionaire who finds himself amidst the chaos. He decides to purchase Babylon, ensuring its survival. Meanwhile, Anna, nearly eight months pregnant, remains in complete denial about her situation.