# Guest Star Heard 1947–1966. 381 episodes. This upload contains 381 episodes of the Old Time Radio show, Guest Star. Presented by the United States Treasury Department and carried as a public service message by the stations that aired the show, Guest Star was essentially a 15-minute infomercial for United States Savings Bonds. The show generally consisted of one big name guest star from stage, screen, music or radio, with musical numbers and a skit that helped extol the virtues of putting your money in US Savings Bonds. The show aired from 1947 until the early 1970s.