Naruto Episode 87 -

Pop a water balloon held in the palm of the hand using only chakra.

Naruto realizes that using one hand to spin the water is difficult, leading him to watch a cat playing with a balloon for inspiration. Naruto Episode 87

While traveling with to find the legendary medical ninja Tsunade , Naruto demands to be taught a new, powerful jutsu. Jiraiya agrees to teach him the technique used by the Fourth Hokage—the Rasengan. However, the training is far more difficult than Naruto anticipates. Pop a water balloon held in the palm