Bullfrog Films presents ; produced and directed by Doug Prose, Diane LaMacchia ; written and edited by Diane LaMacchia ; produced by Earth Images Foundation
Bullfrog Films presents ; a film by Bill Levinson ; produced, directed, written, photographed & edited by Bill Levinson ; production by Alpha Spectrum, Inc
Bullfrog Films presents ; produced and directed by Mickey Lemle ; produced by Lemle Pictures, Inc. for the United Nations, with the cooperation of the Association for Space Explorers and the Canadian International Development Agency