Naruto Shippuden 156 : Surpassing the Master is the continuation of the Naruto Shippuden series. The training of Naruto continues... Naruto uses his Shadow Clones to master gathering Natural Energy and enters Sage Mode for the first time. He and Fukasaku then begin to practice Frog Kumite. Naruto begins to practice in secret in sage mode. Meanwhile, the Cloud Village initiates a search for Killer Bee and the Raikage asks Team Samui, consisting of herself and two former students of Bee, Karui and Omoi, to deliver a letter to Konoha stating that his village will deal with Sasuke, as well as to convene the Five Kage for a Kage Summit.
The question here is what was Naruto practicing in secret with his sage mode???
Here is the preview of the Naruto Shippuden 156 : Surpassing the Master courtesy of Youtube... enjoy...