Nova[1] (ノーバ, Nōba) is a ghost-like Saucer Beast from episode 49 of the TV series, Ultraman Leo. By far the best known and most popular of the Saucer Beasts, numerous examples of Nova's species have appeared throughout the Ultraman Series in the years following the original's debut episode. Subtitle: Saucer Organism (円盤生物, Enban Seibutsu)