Set in the future -- 1974 -- this episode takes place 10 years after a nuclear war. It first aired on Nov. 8, 1963.
Do you remember what you were doing in 1974? It had to have been better than trying to figure out if certain cans of food had been contaminated by radiation.
One interesting theme in "Old Man" is the idea that a computer could be trusted but not strangers in uniforms. At least not if they are led by a bullying James Coburn.