Lone Wolf and Cub: Baby Cart in Peril (子連れ狼 親の心子の心, Kozure Ōkami: Oya no kokoro ko no kokoro, literally "Wolf with Child in Tow: The Heart of a Parent, the Heart of a Child") is the fourth in a series of six Japanese martial arts films based on the long-running Lone Wolf and Cub manga series about Ogami Ittō, directed by Buichi Saitō. The film has also been released as Shogun Assassin 3: Slashing Blades of Carnage, the second sequel to Shogun Assassin.