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?
'Richard Martin' was the original choice to direct. See more
There is a visible gap in the backdrops of the TARDIS control room set. See more
All right. What's your theory, then?
These things haven't been made bigger. We've been made smaller.