"The Remembered Lullaby" (ナツヒボシ 思い出の子守唄, Natsuhi Boshi, Omoide no Komori Uta) is episode 179 of the original Naruto anime.
With the star being stolen, the group has no leads on the mysterious thief who can use chakra to fly. Naruto learns that Sumaru's parents died defending the star from a foreign ninja. Tenten and Lee attempt to track two of Akahoshi's men, but they are discovered and find no answers. Sumaru and some of his friends came across a masked ninja and restrained him, but he renders them unconscious and kidnaps Sumaru.