22 reactions | Battle of the Planets is an American adaptation of the Japanese anime series Science Ninja Team Gatchaman 1972.Of the 105 original Gatchaman episodes, 85 were used in the Battle of the Planets adaptation, produced by Sandy Frank Entertainment. G-Force, a five-member superhero team, fights to defend Earth and its space colonies from the threat of the planet Spectra. First episode date: September 12, 1978 | Robo Toy Fest | Facebook