The Ants was an unproduced story submitted on 16 January 1967 and written by Roger Dixon.
Synopsis[]
The TARDIS brings the Second Doctor and his companions to the Nevada Desert, where they discover they have been shrunk to a tenth of an inch in height. To make matters worse, they learn that the local ants have been made super-intelligent by atomic bomb tests and plan to take over the Earth. (DWMSE 4)