Assassin at PekingSeries Episode Number: 20
World Premiere: Sat 4 Apr 1964 - 5:30pm BST [BBC One] (United Kingdom)
Running Time: 24 minutes 48 seconds
10.40 Million (UK)Appreciation Index: 59 (UK)
Chart Position: 22 () (UK)
Recorded on Fri 13 Mar 1964 in Lime Grove D
Archive State: Missing
Arriving at Kublai Khan's palace in Peking, the Doctor loses the TARDIS key to the Khan in a game of backgammon. Marco is now convinced of Tegana's treachery.