In which episode is Naruto using Kurama one tail mode for the first time?
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Naruto first manifested a one-tail chakra in manga Chapter 231, which is Episode 133 A Plea from a Friend in the anime. This is during Naruto and Sasuke's fight as Naruto tries to stop Sasuke from leaving the village. If I recall correctly, there were no other similar occurrences preceding this.
