That is an UFO! The Flying Saucer

Synopsis

UFOs and aliens from beyond the stars are common themes in media, entertainment, and other forms of science fiction; however, many individuals have sworn they have seen UFOs and have been abducted in real life! Sit back and watch as the makers of Mazinger take you on a journey through the history of UFO lore. Could it be that UFOs are real and that aliens watch us from afar? [from anime-planet]