|This is the article on the episode. For actual tools, head to Scientific Ninja Tools.|
"The Scientific Ninja Tool" (科学忍具, Kagaku Ningu) is episode 55 of the Boruto: Naruto Next Generations anime.
Boruto trains shurikenjutsu under Sasuke. Sasuke notifies Konohamaru he is training Boruto. Konohamaru explains to Sasuke how Boruto's opinion on him and his own father differ. Sasuke thanks Konohamaru for teaching Sarada. Boruto asks Sasuke about Naruto's weaknesses, and is annoyed when Sasuke talks about Naruto's past. Sarada sees Team 5 training. Team 15 discusses strategies against possible opponents in the Chūnin Exams. Team 10 spars against Temari. Temari tells them about Gaara's adopted son, who will also be taking the exams. Boruto tries using the Kote for his shurikenjutsu, and is amazed by it. He continues practising. The various genin sign up for the Chūnin Exams. At Kaguya's lava dimension, Momoshiki and Kinshiki are unable to find more of Kaguya's scrolls. Urashiki reports to them about the region Kaguya was in charge of, explaining to them how chakra has spread. Naruto, Shikamaru, and Kakashi discuss the recent White Zetsu activity and Sasuke's encounter with Ōtsutsuki clansmen. Momoshiki and Kinshiki go after Killer B, and collect chakra from him. Urashiki explains to them how Kaguya made living weapons against them, and how she was sealed by her own children. Kinshiki senses another great concentration of chakra. Gaara sees Kankurō and Team Shinki off to the exams. Shukaku alerts Gaara that its connection to Gyūki has been severed. Sasuke advances Boruto's shurikenjutsu training. At home, Boruto prepares the Kote for use in the Chūnin Exams.
- The episode has a number of differences from Boruto: Naruto the Movie including:
- Urashiki gives information about the tailed beasts and Earth's inhabitants to Momoshiki and Kinshiki.
- Urashiki appears alongside Momoshiki and Kinshiki while the two were extracting Gyūki from Killer B.
- Shukaku warns Gaara that it lost its connection to Gyūki's jinchūriki.