Defying Gravity is a multi-nationally produced space travel television science fiction drama series, first aired on August 2, 2009 on ABC and CTV and canceled in the autumn (September/October) of 2009. Set in the year 2052, the series follows eight astronauts (four women and four men) from four countries on a six-year space mission through the Solar System, during which they are monitored from Earth via a real-time communication system. The series was pitched to networks as "Grey's Anatomy in space".