Jesse Walker of Reason has dug up a 1956 episode of the NBC radio series X Minus One, which adapts Philip K. Dick’s short story “The Defenders” — which I’ve covered here before. Here is Walker’s description:
It’s as though the false world in The Matrix is being run by the supercomputer from WarGames, which has started reading Jung and lecturing everyone about shadow projection.
Ooooh! I’ve got this one, somewhere.