Westinghouse Preview Theatre is an American anthology television series that aired on NBC in the summer of 1961 The 30-minute episodes consisted of unsold television pilots for situation comedies and one musical program.
The practice of television executives of ordering dozens of pilots for proposed television series each year – far more than their networks could possibly broadcast as series – created a sizable body of unsold pilots that had never aired.
[1] Packaging these unsold pilots in anthology series and airing them during the summer provided television networks with a way of both providing fresh programming during the summer rerun season and recouping at least some of the expense of producing them.
[1] It consisted of 10 unsold pilots for situation comedies and one musical program.
[2] Westinghouse Preview Theatre ran for 11 episodes over the course of 11 consecutive weeks in the summer of 1961, airing on NBC from 9:30 to 10:00 p.m. Eastern Time on Friday evenings.