Naruto: Shippūden (2007)

S05E94 A Night of Rain

Kabuto tasks Guren with the responsibility of watching over Yukimaru, but Guren is far from pleased about this duty. The situation worsens when Yukimaru falls sick during a stormy night. Meanwhile, Kiba uncovers the source of the mysterious dog whistle, while Tsunade dispatches help to Kakashi and Team 8.