This episode is episode 155, the first challenge. This is where fukasaku is teaching 나루토 the first steps to be a sage. The training is called "don't move" and he has to focus his natural energy to becom a sage.
나루토 learns sage mode 의해 chanelling the flow of senjutsu chakra 또는 natural chakra into the body. He learns to use it on Mount Miyaboku after Jiraiya dies.
This episode is episode 155, the first challenge. This is where fukasaku is teaching 나루토 the first steps to be a sage. this training for his fight with pain
나루토 learns Sage Mode after Lord Fukasaku, informs Konoha of Jiraiya's death at the hands of Pein. He then tells 나루토 to come with him to Mount Myoboku to be trained 의해 him in the sage arts, because it was originally Jiraiya's plan. 나루토 Shippuden Episode 154.
when gamutatsu puts the magical dildo in in his bum and he instantly becomes sage mode and the 9 tails is released whilst sasuke is getting killed 의해 sakura