A Random

SCIFI.radio story

Earth is invaded by a swarm of sentient nanobots car sized anthropoid interstellar iguanas who want to plug us into a power grid and use us as living batteries even though they are only slightly radioactive who tend to stutter under pressure when confronted by a slap to the side of the head with a large fish , but scientists create a new weapon which kills them all.
The End.so they eat us all.
The End.