[1] A 15-minute version of the radio program (under varied translations of The World Tomorrow) was broadcast in the French, German, Italian, Russian, and Spanish languages.

[2] Armstrong's radio program "eventually reached millions with its message of the imminent end of the world to be followed by the second coming of Christ.

The first era featured Herbert W. Armstrong speaking from a Hollywood sound stage in the 1950s, before the advent of videotape, when all syndicated programs had to be recorded on film.

The original series was shown on a portion of the ABC Television Network for half an hour, once a week, in black and white.

[5] The programs originated daily in a half-hour format, primarily from a studio located on the campus of Ambassador College in Pasadena, California, which was owned and operated by the church as a then-unaccredited liberal arts institution.

[8] Copies of The World Tomorrow broadcast episodes from 1978 to 1983 are held in the Television Religion Collection of the United States Library of Congress.