As If To Fly: Stop the Launch of the Battleship Purgatory! is the 45th episode of the television series.
With a grand entrance, Kenshin arrives and reunites with Saito and a surprise arrival by Sano. Being filled in to the terrible plan that is the Kyoto Grand Fire Project, Kenshin figures out of another vicious twist of vengeful irony that Shishio Makoto has kept hidden even from his own troops. Dashing headlong by carriage, they only have until nighttime to not only protect Kyoto, but the entire nation itself!