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 lost in an ancient temple in the jungle; while Ian remains at the temple to search for the key, Sabetha and Susan continue to the next location. Ian finds Barbara in the temple, where they discover an aged scientist, Darrius, who reveals the location of the next key before dying; Ian and Barbara retrieve the key and teleport to an icy wasteland. They meet the duplicitous trapper Vasor, who steals their keys. Ian and Altos confront Vasor and force him to take them to the ice caves, where they find Sabetha and Susan with mechanised Ice Soldiers, and discover the