Glen and Randa (1971)

"Once upon a time, there were countries, cities, schools, movies, electric appliances, The Beatles, politicians, then..."

Teenagers Glen and Randa are members of a tribe that lives in a rural area, several decades after nuclear war has devastated the planet. They know nothing of the outside world, except that Glen has read about and seen pictures of a great city in some old comic books. He and Randa set out to find this city.