Naruto Episode 078 Explosion! These are the Naruto Ninja Chronicles!

Naruto continues his futile attempts, but each and everyone of them failed. Although, all seemed hopeless, Naruto never gave up. Instead, he even managed to hit Gaara with a few lucky attacks. However, his sand armor protected him from any serious damage. Sasuke watches helplessly, as he sees his rival become stronger everytime. Gaara was done playing games, and decided to complete his transformation. His powers destroys everything in sight. Naruto tried to summon Gamabunta again, and just in time to avoid Gaara's deadly attack, "desert coffin." Naruto is desperately fighting in order to save the girl he loves, Haruno Sakura. However, the Shukaku forced Gaara to sleep in order to gain full control of his power. With that said, Shukaku unleased everything it had at Gamabunta. At the end of the episode, Gamabunta told Naruto to do a combined transformation into something that had sharp fangs and claws.