The Death of Gaara!

is episode 17 of the Naruto: Shippūden anime.

Synopsis
Team Guy and Team Kakashi both finish their breaks and go on towards the Akatsuki lair. After noticing Naruto's agitation towards Gaara's capture, Chiyo is explained to by Kakashi that Naruto is himself a jinchūriki. Chiyo then reveals that she was the one who sealed the One-Tailed Shukaku in Gaara, to protect Sunagakure. Meanwhile, Akatsuki finishes the sealing of Gaara's tailed beast, thereby killing him. Outside the base, Teams Guy and Kakashi arrive, prepared to break into the cave and retrieve Gaara.