Sci Fi Science: Physics of the Impossible (also called Science of the Impossible) is an American documentary television series on Science which first aired in the United States on December 1, 2009. The series is hosted by theoretical physicist Michio Kaku and is based on his book Physics of the Impossible. In each episode, Dr. Kaku addresses a technological concept from science fiction and designs his own theoretical version of the technology using currently-known science.