One of the first anime I ever saw... all the way back in the 1970's. It is important to compare this to anime of the era in terms of art and storytelling. A fun romp with a lot of action. Still the entire run has an overarching story and an environmental message. The "Battle of the Planets" version is much more child directed than the original with huge cuts to avoid issues here in the United States. I own DVD versions of many anime titles but this is one of the few long run series purchased; along with Space Battleship Yamato.