Ceremony of the Keys (London) through the Bloody Tower archway. The Chief Warder and the escort were blown off their feet, but they recovered and carried on. The Tower holds a letter from the Officer of the Guard apologising to King George VI that the ceremony was late, along with a reply from the King which says that the officer is not to be punished as the delay was due to enemy action. Between 40 and 50 visitors are allowed access to the ceremony each night, under escort. Tickets are free but must be obtained in advance from Historic Royal Palaces, the organisation that looks
The Keys of Marinus Morphoton order Barbara's death, but Barbara escapes and hides in the city, where she makes contact with the slave girl Sabetha, who has been blamed for Barbara's awakening and sentenced to death. Barbara notices one of the keys around her neck. They escape and destroy the creatures, freeing the subjects of the city. Another slave, Altos, remembers that he was also sent by Arbitan, and he and Sabetha join the Doctor and his crew on their quest. While the Doctor continues to the City of Mellennius, the others search in a dangerous screaming jungle. After triggering a trap, Barbara is