WWW. "I am writing to find out whether you have any information pertaining to a kind of show I saw on public television in the late 1970s. Called Supervision, it sometimes aired after another show, called Visions. The series started off with skits covering the history of television but eventually turned into a kind of science fiction story in which terrorists commandeer a network. John Belushi was in it."—Carbon copy of a typewritten letter addressed to the Museum of Television and Radio, written by Gary Grayson of Newark, New Jersey, and dated July 14, 1984.

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Photo: David Marc Fischer