A Random

SCIFI.radio story

Earth enters a parallel dimension where everything is backwards except Mxyzptlk who understand us all too well even though they can all do credible singing impressions of Ethel Merman and might be overpowered by a crowd of people with pitchforks and torches , but scientists create a new weapon which kills them all.
The End.but they die from catching the common cold.
The End.