The TARDIS arrives on Earth in the 13th century, where it is claimed by famed explorer Marco Polo as a gift for his employer, Kublai Khan. Polo hopes to finally buy his way out of the Khan's service - but if he succeeds, the Doctor and his friends will never be able to get back to their Ship ever again... (Originally broadcast in seven parts.)
Did You Know?
This episode takes place in China in 1289. See more
In early episodes, William Hartnell can often be heard flubbing his lines. Due to budget constraints (among other reasons), there was rarely the chance to do retakes. See more
[writing in his journal
Success - my plan has worked! The strangers and their unusual caravan accompany me to Lop. Our route takes us across the Roof of the World, down to the Kashgar Valley, and south-east to Tarkand. Here, we join the old silk road, along which the commerce and culture of a thousand years has traveled to and from Cathay. I wonder what the strangers' reaction will be when I tell them what I propose to do?