A Random

SCIFI.radio story

Earth is invaded by a swarm of sentient nanobots embarrassing gelatinous aliens with cheesy gorilla suit bodies and retro fishbowl space helmetswho are friendly but incomprehensible even though they all do bad impressions of William Shatner and cannot be destroyed by a nuclear bomb , but scientists create a new weapon which kills them all.
The End.but they die from catching the common cold.
The End.