Babylon 5 is an American science fiction television series created by writer and producer J. Michael Straczynski, under the Babylonian Productions label, in association with Straczynski's Synthetic Worlds Ltd. and Warner Bros. Domestic Television. After the successful airing of a test pilot movie on February 22, 1993, Babylon 5: The Gathering, in May 1993 Warner Bros. commissioned the series for production as part of its Prime Time Entertainment Network (PTEN).