Child of the Prophecy Naruto: Shippûden : Season 20 Episode 439

Jiraiya weakens the seal on the Nine Tails in order to help Naruto learn how to control the Tailed Beast's power. Jiraiya recalls the words spoken to him years ago by the Great Lord Elder. He told Jiraiya that he would have a student, and that his guidance would decide whether the student would save the Ninja World or destroy it.