As the TARDIS lands on a remote mountainside, the power fails and leaves the Doctor and his companions stranded without heat or water. They are rescued by the Venetian traveller Marco Polo, who tells them it is the year 1289. They join Marco's...
The TARDIS materialises in Mexico during the Aztec civilisation. The Doctor and his companions step outside to discover they are inside a tomb — the tomb, it turns out, of Yetaxa, once High Priest of the Aztecs.
Barbara is hailed as Yetaxa's...
The TARDIS lands in Paris on 19th August 1572 and the Doctor, driven by scientific curiosity, leaves Steven in order to meet and exchange views with the apothecary Charles Preslin. Before he disappears, he warns Steven to stay out of 'mischief,...