When the TARDIS malfunctions and the doors open in the time vortex, the travelers and their Ship shrink to the size of insects. When they arrive on Earth, they uncover a murderous plot involving a new insecticide - but how can they stop the crime in their miniaturized condition? (Originally broadcast in three parts.) Written by
Did You Know?
Fans voted this number 131 in a countdown of the 163 Doctor Who
(1963) stories in Outpost Gallifrey's 40th anniversary poll in 2003. See more
When Ian walks past Farrow's head, Ian's head becomes transparent when he passes Farrow's nose and upper lip, revealing the effect to be a multiple exposure. See more
[about the Doctor
Oh, I do wish he wouldn't talk in riddles!
So do I.