What episode number does Naruto attack jiraiya?

the episode is uknown during naruto shippudin tunada kakashi and jarya and yamoto discus

about how dedly the nine tails are and that the max that naruto can control is 3 tails and if he reaches 9 tails he will die so the awnser is when thay have the discusion jairiayahas a flash back i don't know what the epp. is though and the max ive seen naruto go is 6 tails